Which of the following is not an electromagnetic radiatio...
Which of the following is not an electromagnetic radiation?
X-ray
Radio waves
Sunlight
Sound waves
Infra-red radiation
Correct answer is D
No explanation has been provided for this answer.
Which of the following are contact forces? I. Force of tension II. Force of fiction, III. Magne...
The pin-hole camera produces a less sharply defined image when the ...
A man walks 1km due east and then 1 km due north His displacement? ...
The density of water is 1gcm3 while that of ice is 0.9cm3, calculate the volume change whe...