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Torque is defined as, the time rate of change of
6 months ago
Physics class 11th mcqs
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Torque, Angular Momentum & Equilibrium MCQ's
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Torque is defined as, the time rate of change of
Physics with Akhtiar Ali Bullo
6 months ago
0:59
Torque is also named as
Physics with Akhtiar Ali Bullo
6 months ago
0:55
A body may be in equilibrium when it is
Physics with Akhtiar Ali Bullo
6 months ago
0:46
The point where whole weight of a body acts is described as
Physics with Akhtiar Ali Bullo
6 months ago
1:26
A body in equilibrium does not possess any
Physics with Akhtiar Ali Bullo
6 months ago
1:26
A body satisfying the first condition of equilibrium will be in
Physics with Akhtiar Ali Bullo
6 months ago
1:25
Three coplanar forces acting on a body keep it in equilibrium they should therefore be
Physics with Akhtiar Ali Bullo
6 months ago
1:06
The center of gravity of a triangular plate lies at the
Physics with Akhtiar Ali Bullo
7 months ago
0:42
A body moving with uniform velocity is said to be
Physics with Akhtiar Ali Bullo
7 months ago
1:11
The center of gravity of a square plate lies at the
Physics with Akhtiar Ali Bullo
7 months ago
1:06
A particle moving with constant velocity may be
Physics with Akhtiar Ali Bullo
7 months ago
0:39
The point at which the whole mass of a body acts is called
Physics with Akhtiar Ali Bullo
7 months ago
1:24
Torque is a rotational analogue of
Physics with Akhtiar Ali Bullo
6 months ago
1:38
Torque is measured in
Physics with Akhtiar Ali Bullo
6 months ago
1:27
A body in equilibrium must not have
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6 months ago
1:23
The minimum number of forces that keep the body in equilibrium are
Physics with Akhtiar Ali Bullo
6 months ago
0:52
In rotational motion the quantity which plays the same role as the inertial mass in rectilinear motion is called
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10 months ago
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The product of the rotational inertia about an axis and the angular velocity of a body rotating about this axis is called
Physics with Akhtiar Ali Bullo
1 year ago
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The units of torque and couple are
Physics with Akhtiar Ali Bullo
1 year ago
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The center of gravity of an object is
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1 year ago
0:50
A pair of forces equal in magnitude and opposite in direction with non coincident lines of action is known as
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1 year ago
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A force passing through the center of gravity of a body
Physics with Akhtiar Ali Bullo
1 year ago
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The term torque is synonymous with
Physics with Akhtiar Ali Bullo
1 year ago
0:50
The physical quantity which produces angular acceleration is called
Physics with Akhtiar Ali Bullo
1 year ago
0:39
In angular motion the analog of force is
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1 year ago
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The time rate of change of angular momentum of a body is equal to
Physics with Akhtiar Ali Bullo
1 year ago
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That physical quantity which produces angular acceleration in a body
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Torque is also named as
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Torque is measured in
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6 months ago
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A body moving with uniform angular velocity is said to be in
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A body may be in equilibrium when it is
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The Concept of Universal Gravitational Force
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Canal Ray Experiment: Discovery of Protons
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A Voltaic Cell or Galvanic Cell Animation
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What is jerk _ what is jolt in physics ?
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2 weeks ago
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Find the current in a long straight wire that would produce a magnetic field twice the strength of the Earth's at a distance of 5.0 cm from the wire.Magnetic field of Earth= 5.0×10^-5 T
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3 weeks ago
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Compute the magnitude of the magnetic field of a long , straight wire carrying a current of 1A at distance of 1m from it.Compare it with earth's magnetic field.
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3 weeks ago
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A moving coil galvanometer has resistance of 50 ohms and it gives full scale deflection at 4 mA current. A voltmeter is made using this galvanometer and a 5 kilo ohm resistance. Calculate the maximum voltage that can be measured using this voltmeter
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5 weeks ago
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A solenoid has length L=1.23m and inner diameter d=3.55cm and it carries a current I=5.57A.It consists of five close packed layers, each with 850 turns along length L.What is B at its center ?
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5 weeks ago
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Torque is a rotational analogue of
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6 months ago
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A body moving with uniform velocity is said to be
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7 months ago
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A particle moving with constant velocity may be
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7 months ago
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The point at which the whole mass of a body acts is called
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7 months ago
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Torr is the unit of
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8 months ago
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Which of the following is correct relation?
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8 months ago
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Number of base si units is
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9 months ago
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Length can not be measured by
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Radial acceleration is also called as
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10 months ago
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Kilowatt hour (kWh) is a unit of
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10 months ago
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The term torque is synonymous with
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1 year ago
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The units of torque and couple are
Physics with Akhtiar Ali Bullo
1 year ago
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The physical quantity which produces angular acceleration is called
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1 year ago
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The time rate of change of angular momentum of a body is equal to
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1 year ago
1:35
At what angle between force and displacement more work is done
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The graph between force and time for which force acts on the body is shown in the figure below, the change in the momentum of the body is
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1 year ago
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Physics is a quantitative science based primarily on
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1 year ago
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Which one is not produced by sound waves in air
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1 year ago
1:19
If a body covers three revolutions in 5 seconds then its angular displacement in S.I units will be
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1 year ago
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In angular motion the analog of force is
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A wire 1.80m long carries a current of 13.0A and makes an angle of 35.0⁰ with a uniform magnetic field of magnitude B=1.50T.Calculate the magnetic force on the wire
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The poles of a horse shoe magnet measures 8cm × 3.2cm the magnetic flux density between the magnet poles is 80mT.Outside of the magnet the magnetic flux density is zero.Calculate the magnetic flux between the poles of a magnet.
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An aluminum window has a width of 60cm and length of 85cm as shown in the figure. a.When the window is closed the magnetic flux density is 1.8×10^-4 T is normal to window. b.Calculate the magnetic flux through the window.
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Abbreviation of AM and FM_Full form of AM and FM_ Acronym of AM and FM
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Abbreviation for radar_ Acronym of radar _ Full form of radar
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A carnot engine absorbs 52kJ as heat and exhaust 36kJ as heat in each cycle. Calculate: (a) The engine efficiency (b) The work done per cycle in kilojoules
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A carnot engine operates between the temperatures 850K and 300K.the engine performs 1200J of work in each cycle, which takes 0.25 sec (a) What is the efficiency of this engine ? (b) What is the average power of this engine ? (c) How much energy is extra
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A heat engine performs work of 0.4166 watts in one hour and rejects 4500J of heat to the sink.What is the efficiency of engine ?
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A heat engine works at the rate of 500kW.The efficiency of the engine is 30%.Calculate the loss of heat per hour.
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Temperature difference between the surface water and bottom water in Manchester lake might be 5 degree centigrade Assuming the surface water to be at 20 degree celsius.What highest efficiency a steam engine could have if it operates between these two tem
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7 weeks ago
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In a high pressure steam turbine engine, the steam is heated to 600 degree centigrade and exhausted at about 90 degree centigrade.what is the highest possible efficiency of any engine that operates between these two temperatures?
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7 weeks ago
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One kilogram of ice at 0 degree centigrade is melted and converted to water at 0 degree celsius.Compute its change in entropy.
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2 months ago
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A carnot engine takes 2000J of heat from a reservoir at 500K does some work and discards some heat to a reservoir at 350K.How much heat is discarded,how much work does the engine do and what is the efficiency ? Physics class 12 numericals
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2 months ago
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How much heat is required to raise the temperature of 1kg of lead from 25⁰C to 100⁰C.Specific heat capacity of lead=0.128 J/g⁰C Physics class 12 numericals solution Inter class physics numerical solution First law of thermodynamics numericals
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2 months ago
7:47
A 50 g piece of copper at 100 degrees centigrade is placed in 200 g of water at 20 degree celsius.If the final temperature of the system is 30 degree centigrade.Calculate the specific heat capacity of copper.(Specific heat capacity of water=4.18 J/g⁰C) Ph
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2 months ago
4:53
A gas expands from 0.03 m³ to 0.06m³ against a constant pressure of 100kPa.Calculate the work done in both a reversible and an irreversible process and compare the results
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2 months ago
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During an isochoric process,the internal energy of a gas increases by 300J.If no work is done,determine the heat added to the system
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2 months ago
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A system undergoes an isobaric process where the pressure is kept constant at 150 kPa. If the volume increases from 0.05 m³ to 0.08 m³. Calculate the heat added to the system
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2 months ago
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A piston compresses a gas adiabatically. If the initial volume is 0.02 m³ and final volume is 0.01 m³ and the initial pressure is 200 kPa, determine the final pressure. Assume the gas behaves ideally
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