The mass of an object will get doubled at the speed of __________?

Related Mcqs:

1. If a material object moves with speed of light its mass becomes ________________?

   A. equal to its rest mass
   B. double of its rest mass
   C. infinite
   D. zero

2. When the speed of a moving body is doubled then___________________?

   A. its K.E is doubled
   B. its acceleration is doubled
   C. its P.E is doubled
   D. its momentum is doubled

3. An object travels at constant speed around a circle of radius 1.0 m in 2.0 seconds. What is the magnitude of its acceleration?

   A. 0
   B. π²
   C. 2 π²
   D. 4 π²

   Submitted by: Tauseef Ali

4. Mach is the unit of measurement in stating the speed of a moving object in relation to__________?

   A. The speed of sound
   B. The speed of other object
   C. The speed of light
   D. The speed of air resistance

   Submitted by: Ghusharib Ur Rehman

5. A particle of mass m charge q and speed V enters a uniform magnetic radius r. The radius r of the circle is_________________?

   A. independent mass m
   B. directly proportional to m
   C. directly proportional to q
   D. directly proportional to B

6. What is the outward force acting on a mass of 10 kg when rotating at one end an inelastic string 10m long at speed of 1m/s ?

   A. 1N
   B. 10N
   C. 2N
   D. 100N

7. If a car moves with a uniform speed of 2 ms-1 in a circle of radius 0.4. Its angular speed is______________?

   A. 4 rad. S-1
   B. 5 rad. S-1
   C. 1.6 rad. S-1
   D. 2.8 ms-1

8. A train is moving with a speed of 100mph. What will be its speed in m/s.?

   A. 45 m/s
   B. 90 m/s
   C. 100 m/s
   D. 120 m/s

   Submitted by: Zahid Jagirani

9. If velocity is doubled then__________________?

   A. momentum increases 4 times and K.E increases 2 times
   B. momentum and K.E. remain same
   C. momentum increases 2 times and K.E increases constant
   D. momentum increases 2 times and K.E increases 4 time

10. For a gas obeying Boyles law if the pressure is doubled the volume becomes________________?

    A. double
    B. one half
    C. four times
    D. one fourth