- Displacement, velocity
- Time, frequency
- Wavelength, focal length
- Force, acceleration
Category: Physics mcqs
- Work
- Heat
- change in enthalpy
- both a and b
- Mean velocity
- Average velocity
- Instantaneous velocity
- None
- 2
- 3
- 4
- 5
- 3125 m
- 312.5 m
- 31.25 m
- 25.31 m
- 62 × 10²⁰
- 3 × 10¹⁹
- 1.5 × 10²⁰
- 6 × 10¹⁸
- Visible rays
- Thermal infra-red
- Modulated infra-red
- Radio waves
- the energy of a particle always changes
- the restoring force is constant
- restoring force is always directed towardss a fixed point
- velocity of a particle is minimum at the centre of the path
- 50 rad/s²
- 25 rad/s²
- 12.5 rad/s²
- 6.25 rad/s²
- Optical fibres may have a homogeneous core with suitable cladding
- Optical fibres can be of graded refractive index
- The only disadvantage of optical fibres is that they are subjected to electromagnetic interference from outside
- Optical fibres have an extremely small transmission loss
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