The length of the pendulum is doubled and the mass of its bob is halved. Its time sperod would
1). become double
2). become half?
3). ?become $sqrt{2}$ times?
4). ?remain the same
1. A water tank appears shallower when it is viewed from top due to
2. Which of the following is false?
3. Which sources produce alternating current (AC)?
4. The modulus of rigidity Is the ratio of
5. Hertz is a unit for measuring
7. The word "Physics" comes from the Greek word
8. The component used for tuning a radio is basically a variable