Physics
In the sound wave produced by a vibrating tuning fork shown below, the half wavelength is given by:
- PQ
- QR
- QS
- PT
Related Questions
Shimmering effect around a camp fire is due to
- reflection of light
- dispersion of light
- scattering of light
- refraction of light
The work done by machine to load luggage in 60s is 1800 J. Calculate the power spent by machine
- 50 W
- 30 W
- 80 W
- 70 W
The number of beta particles emitted by radioactive substance is twice the number of alpha particles emitted by it. The resulting daughter nuclei is as
- isobar of parent
- isomer of parent
- isotone of parent
- isotope of parent
Which of the following forces cannot create a moment of force?
- Action-reaction forces
- Gravitational forces
- Electric forces
- Frictional forces