Which of the following characteristics of a wave is used ...
Which of the following characteristics of a wave is used in the measurement of the depth of the sea?
diffraction
interference
refraction
reflection
Correct answer is D
No explanation has been provided for this answer.
\( ^{235} _{92}U + ^1 _0n → ^{144} _{56}Ba + ^{90} _{36}Kr +2X \) In the reaction above, X is...
When light from a source is sent through a gas. i. certain wavelengths are absorbed. ii. a dark ...
In a discharge tube, most of the gas is pumped out so that electricity is conducted at? ...
The main reason why a.c. is transmitted at very high voltage and low current is that ...