Physics
The speed of light in air or vacuum is:
- 3 x 108 m s-1
- 2.25 x 10 8 m s-1
- 332 m s-1
- 2.0 x 108 m s-1
Related Questions
A ray of light moving from an optically rarer to a denser medium:
- bends away from the normal
- bends towards the normal
- remains undeviated
- None of the above
The angle between the normal and refracted ray is called:
- angle of deviation
- angle of incidence
- angle of refraction
- angle of emergence
The property of splitting of white light into its seven constituent colours is known as:
- rectilinear propagation
- refraction
- reflection
- dispersion
The seven colours in the spectrum of sunlight in order are represented as:
- VIBGYOR
- VIGYBOR
- BIVGYOR
- RYOBIVG