What type of electromagnetic radiation can be used to tak...
What type of electromagnetic radiation can be used to take photographs in the haze?
Radio waves
infrared rays
Visible light
Gamma rays
Correct answer is B
Infrared rays are easily detected by special photographic films and it can be used for taking picture in haze
A piece of copper of mass 20g at a temperature of 110°C was dropped into a mixture of ice and wa...
Uniform speed occurs when there is equal change of ...
What is the reading of the vernier scale above ...
The nucleon and proton numbers of a neutral atom of an element are 238 and 92 respectively. Det...
A bar magnet is divided into two pieces, which of the following statement is correct? ...