The correct answer is C
The frequency of ultrasound wave is typically –
Einstein was awarded Nobel Prize for –
The energy possessed by a body due to its position or shape is known as:
Why is red colour preferred for danger signal lights?
A storm is predicted if atmospheric pressure:
What is the SI unit of power?
The Doppler Effect primarily refers to changes in what aspect of waves?
Which one of the following is a reason why the weight of a person different on Earth and the moon?
This relationship between the angles of incidence and refraction and the indices of refraction of the two media is known as ________.
Which physical property causes raindrops to form spherical shapes?