Which body in the solar system has the highest escape velocity among these options?
Correct answer C. Jupiter
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Physics MCQs
Page 34 of Physics multiple-choice questions with answers. Tap an option to check yourself.
Page 34 of 45
Roughly how many times a day do tides raise the sea level?
Correct answer C. Twice
The work done on a body is equal to which of the following?
Correct answer B. Change in its K.E. and change in its P.E.
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What does the slope of a work against time graph represent?
Correct answer C. Power
How is one horsepower related to the watt?
Correct answer A. 1 hp = 746 watts
An elevator weighing 3.5 × 10⁶ N is raised through a height of 1000 m with no friction. How much work is done?
Correct answer B. 3.5 × 10⁹ J
Which type of force does no work on the particle it acts upon?
Correct answer A. Centripetal force
What is a field called in which the work done in moving a body around any closed path is zero?
Correct answer D. Conservative field
For what angle between the force F and the displacement d is the work done greatest?
Correct answer B. 0°
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At noon on a clear day, roughly how much solar power reaches each square metre of the Earth’s surface?
Correct answer C. 1 kW/m²
What is the main source of tidal energy?
Correct answer D. Moon
What quantity is given by the dot product of force and velocity?
Correct answer B. Power
What are the dimensions of power?
Correct answer C. [ML²T⁻³]
What is the sign of the work done by friction?
Correct answer C. Negative
When an arrow is released from a bow, what energy transformation takes place?
Correct answer B. Elastic P.E. to K.E.
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The Moon has a radius of 1600 km and a surface gravity of 1.6 m s⁻². What is the escape velocity from the Moon?
Correct answer C. 2263 m s⁻¹
What is the escape velocity from the Earth’s surface in km s⁻¹?
Correct answer B. 11.2 km s⁻¹
How much energy does a 60 W bulb consume in 2 seconds?
Correct answer B. 120 J
Which of the following forces is not conservative?
Correct answer A. Friction
What happens to momentum and kinetic energy if a body’s velocity is doubled?
Correct answer D. Momentum increases 2 times and K.E. increases 4 times