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InterviewSolution
| 1. |
Thermal radiations are electromagnetic waves belonging to : (a) ultraviolet region (b) visible region (c) gamma region (d) infra-red region |
| Answer» <p class="MsoNormal" style="text-align: justify;"><span style="font-family:Arial,Helvetica,sans-serif"><span style="color:#000000"><strong>Correct option (d) infra-red region</strong></span></span></p><p class="MsoNormal" style="text-align: justify;"><span style="font-family:Arial,Helvetica,sans-serif"><span style="color:#000000"><strong>Explanation:</strong></span></span></p><p style="text-align: justify;"><span style="font-family:Arial,Helvetica,sans-serif"><span style="color:#000000">We know that thermal radiations consists of larger wavelength as compared to gamma rays and wavelength in visible regions and so, thermal radiations belong to infra-red region.</span></span></p> | |