3. Motion MCQs
1. A reference frame attached to the earth(a) is an inertial frame.(b) cannot be an inertial frame because the earth […]
1. A reference frame attached to the earth(a) is an inertial frame.(b) cannot be an inertial frame because the earth […]
1. In SONAR, we use(A) Radio waves(B) Audible sound waves(C) Ultrasonic waves(D) Infrasonic waves 2. The apparatus used to measure
1. The unit of work is(A) Joule(B) Neutron(C) Watt(D) Dyne 2. The SI unit of electrical resistance of conductor is(A)