9th Class Physics New Book 2025 Chapter 5 MCQs
9th Class Physics New Book 2025 Chapter 5 MCQs Notes. Class 9th Physics New Book 2025 Chapter 5 Solved MCQs solution
Tick the correct answer.
1:- Work done is maximum when the angle between the force F and the displacement d is:
(a) 0°
(b) 30°
(c) 60°
(d) 90°
Correct Option is (a)
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2:- A joule can also be written as:
$$(a)\;kg\;m\;s^{-2}\\(b)\;kg\;m\;s^{-1}\\(c)\;kg\;m^{2\;}\;s^{-3}\\(d)\;kg\;m^{2\;}\;s^{-2}$$
Correct option is (d)
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3:- The SI unit of power is:
(a) joule
(b) newton
(c) watt
(d) second
Correct option is (c)
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4:- The power of a water pump is 2 KW. The amount of water it can raise in one minute to a height of 5 metres:
(a) 1000 litres
(b) 1200 litres
(c) 2000 litres
(d) 2400 litres
Correct option is (d)
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5 :- A bullet of mass 0.05 kg has a speed of 300 meter per second. Its kinetic energy will be:
(a) 2250 J
(b) 4500 J
(c) 1500 J
(d) 1125 J
Correct Option is (a)
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6:- If a car doubles its speed , its kinetic energy will be:
(a) the same
(b) doubled
(c) increase to three times
(d) increase to four times
Correct option is (d)
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7 :- The energy possessed by a body by virtue of its position is:
(a) kinetic energy
(b) potential energy
(c) chemical energy
(d) solar energy
Correct option is (b)
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8 :- The magnitude of momentum of an object is doubled, the kinetic energy of the object will:
(a) double
(b) increase to four times
(c) reduce to one-half
(d) remain the same
Correct option is (b)
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9 :- Which of the following is not renewable energy source?
(a) Hydroelectric energy
(b) Fossil fuels
(c) Wind energy
(d) Solar energy
Correct option is (b)
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