How many laws of physics are there?
A). 5
B). 4
C). 3
D). 2
2. Where do the electrical charges reside in a charged conductor?
3. Soap bubble attains spherical shape due to ______.
5. A boy is swinging a ball attached to a string in a horizontal circle. If the string snaps
6. Which of the following properties is found only in ferromagnetic materials ?
7. During the motion of a projectile fired from the earth surface, ________