122) Lettering on a drawing sheet should have
Answer is:
all alphabets in capital letters
Related RRB JE Mechanical Question Paper 2014 (Set-3) with Answer Key
Answer is:
absorbed
Explanation:
An object that absorbs all radiation falling on it, at all wavelengths, is called a black body. All radiations in a black body are absorbed.
Answer is:
all of the above
Explanation:
The term radiation is applied to the kinds of processes which transmit energy by means of electromagnetic waves. The amount of radiation mainly depends upon the nature of body, temperature of the body and type of surface of the body.
when the radiations are falling on a body, three things happen, i.e. a part of the radiations are absorbed by the body, a part of the radiations are reflected and the remaining radiations are transmitted through the body.
