JEE Main Physics question

Physics Work, Energy and Power JEE Main

Statement 1: Power of a machine gun is determined by both, the number of bullets fired per second and the kinetic energy of the bullets. Statement 2: Power of any machine is defined as work done by it per unit time.

(A)Assertion is True, Reason is True; Reason is correct explanation for AssertionCorrect
(B)Assertion is True, Reason is True; Reason is not correct explanation for Assertion
(C)Assertion is True, Reason is False
(D)Assertion is False, Reason is True

Answer: (A)

Solution

Power of the gun = (KE delivered per bullet) × (rate of firing), which directly follows from the general definition

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-154172