NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 331 - 334 of 2142

Question

A car is moving in a circular path of radius 50 m with velocity of 100 m/sec such that in each sec its velocity increases by 100 m/s, the net acceleration of car will be - (in m/sec)

Question

4 charge q is placed at the center of a cube. Then the flux passing through one face of cube will be

Question

An aircraft loops the loop of radius R = 600 m with a constant velocity v = 360 km/h. The weight of the flyer of mass m = 60 kg in the lower, upper and middle points of the loop will respectively be

Question

A simple pendulum has a time period T. The bob is now given some positive charge -

(1) If some positive charge is placed at the point of suspension, T will increases

(2) If some positive charge is placed at the point of suspension, T will not change

(3) If a uniform downward electric field is switched on, T will increase

(4) If a uniform downward electric field is switched on, T will decrease

Select the correct answers and mark it according to the following codes: