?When a charged particle entres a?uniform magnetic field its kinetic energy
1). Remains constant
2). ?increased?
3). Decreases
4). becomes?
1. Solids which conduct electricity at higher temperature but not at lower temperature are called
2. Curie point is the temperature at which
3. The temperature of boiling water in a?steam engine may be high because:
4. Sound waves are similar to the?waves
5. A ball rolling along the ground gradually slows down and finally comes to rest is due to ________.
7. Water drops cannot stick to the oily surface due to
8. The colour of stars depends upon?their
9. When a bar magnet is cut into two equal halves, the pole strength of each piece –
10. A falling drop of rain water acquires the spherical shape due to