RRB GROUP D Physics Quiz - 65

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Question 1:

Which one of the following is not the fundamental quantity in Physics?

Question 2:

What is the reason for the small air bubbles in the water collected in a glass vessel to shine with a silvery luster?

Question 3:

Gravitational acceleration zero at _________?

Question 4:

A freely suspended magnet always aligns in which direction?

Question 5:

Ultrasonic waves are sound waves, ultrasonic waves have frequency

Question 6:

You are standing in a lift, the force on the floor of the lift due to your weight will-

Question 7:

Woollen clothes are used in winter season because woollen clothes-

Question 8:

Which of the following is NOT an illustration of Newton's third law?

Question 9:

Which one of the following does not convert electrical energy into light energy?

Question 10:

A cricket ball of mass 150 g is moving with a velocity of 12 m/s and is hit by a bat so that the ball is turned back with a velocity of 20 m/s. The force of bat acts for 0.01 s on the ball. The average force exerted by the bat on the ball is-