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The correct answer is B
Which of the following statements about X-rays is INCORRECT ?
Which device is a thermionic electron tube used to oscillate and amplify microwave signals?
The Doppler Effect primarily refers to changes in what aspect of waves?
One Astronomical Unit (AU) is the average distance between-
What force enables the drying of clothes in spin dryers?
What is the minimum distance required for an obstacle to produce a distinct echo?
The hair of shaving brush clings together when removed from water due to –
With reference to the types of electromagnetic waves, consider the following statements:
(I) Radio waves have the highest wavelength range among ...
The energy possessed by a body due to its position or shape is known as:
What device is primarily used to convert alternating current (AC) into direct current (DC)?
