Advertisements
Advertisements
Question
The speed of light in air is :
Options
3 x 108 m s-1
330 m s-1
5100 m s-1
3 x 1010 m s-1
Solution
The speed of light in air is : 3 x 108 m s-1
APPEARS IN
RELATED QUESTIONS
Which wave property determines loudness?
What causes sound?
Complete the following sentence :
Sound is produced by a ___________ body.
In which medium the speed of sound is more: humid air or dry air? Give a reason to your answer.
A continuous progressive transverse wave of frequency 8 Hz moves across the surface of a ripple tank
If the wavelength of the transverse wave is 32 mm, calculate the speed with which wave travels across the surface of the water.
The distance between one crest and one trough of a sea wave is 4.5 m. If the waves are produced at the rate of 240/min, calculate the time period.
When a sound wave travels through air, the air particles
Why is the ceiling and wall behind the stage of good conference halls or concert halls made curved?
Find the odd one out.