Due to the relative motion of observer and frame of reference time:

Related Mcqs:

1. In an angular motion, Newton’s second law of motion is_____________?

   A. F=ma B. F=τp/It C. Στ = I α D. All above...

2. An observer shoots parallel to a meter stick at very high (relativistic) speed and finds that the length of meter stick is________________?

   A. greater than one meter B. less than one meter C. one meter D. a foolish question...

3. The current through a metallic conductor is due to the motion of _________________?

   A. free electrons B. protons C. neutrons D. still under controversy...

4. When body is in motion, ____________ always changes?

   A. its velocity B. its acceleration C. its position vector D. its momentum...

5. Which law of motion is also called law of inertia ?

   A. 1st law B. 2nd law C. 3rd law D. all 1st, 2nd and 3rd laws...

6. Which of the following is not an example of projectile motion ?

   A. a gas filled ballon B. bullet fired from gun C. a football kicked D. a base ball shot...

7. When a force is parallel to the direction of motion of the body, then work done on the body is_____________________?

   A. zero B. minimum C. infinity D. maximum...

8. The period of a circular motion is given by_______________?

   A. T = πv B. T = πw C. T = 2πr D. T = 2πr/v...

9. When a body is moving along a circular path it covers a certain angle in a given interval of time. Such type of motion is__________________?

   A. Vibratory motion B. Linear motion C. Rotatory motion D. Angular motion...

10. The force responsible for the vibratory motion of the simple pendulum is_________________?

    A. mg cosθ B. mg sinθ C. mg tonθ D. mg...