In the shadow of a ball the central portion appears bright that happens due to_________________?

Related Mcqs:

1. A ball of mass 0.2 kg is thrown vertically upwards by applying a force by hand. If the hand moves 0.2 m while applying the force and the ball goes up to 2 in height further, find the magnitude of the force. Consider g = 10m/s 2

   A. 22N
   B. 16N
   C. 20N
   D. 4N

   Submitted by: Huzaifa Naseer

2. The error in measurement may occur due to_________________?

   A. The inexperience of a person
   B. The faulty apprentice
   C. Inappropriate method
   D. Due to all reasons in A, B and C

3. When X-rays are passed through successive aluminum sheets what happens to their thickness ?

   A. increases
   B. it decreases
   C. it remains same
   D. sometimes increases and sometimes decreases

4. One mega watt hour is equal to_________________?

   A. 36 x 106 J
   B. 36 x 1012 J
   C. 36 x 109 J
   D. 36 x 108 J

5. The unit of radioactivity curie is equal to_________________?

   A. 3.74 x 109 disintegration per sec
   B. 3.70 x 1010 disintegration per sec
   C. 3.55 x 1010 disintegration per sec
   D. 3.60 x 1010 disintegration per sec

6. One torr is equal to_________________?

   A. 1.333 Nm-2
   B. .1333 Nm-2
   C. 13.33 Nm-2
   D. 133.3 Nm2

7. The product of the frequency and time period is equal to_________________?

   A. 1
   B. 2
   C. 3
   D. 4

8. 0.001 kg mass will be equivalent to_________________?

   A. 2.50 GWh
   B. 25.00 GWh
   C. 0.26 GWh
   D. 250 GWh

9. The size of one degree of Celsius is equal to_________________?

   A. One degree of Fahrenheit scale
   B. 1.8 degrees of Fahrenheit scale
   C. 3.2 degrees of Fahrenheit scale
   D. 2.12 degrees of Fahrenheit scale

10. In cricket when a bowler produce reverse swing the ball will move towards______________?

    A.The shinning side of the ball
    B. Rough side
    C. The seam of the ball
    D. Goes straight