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Which of the following is an example of ideal black body?
Options
(a) Kajal
(b) Black board
(c) A pin hole in a box
(d) None of these
Correct Answer:
A pin hole in a box
Explanation:
A pin hole in a box is an example of black body. The pin hole allows radiations of different wavelengths to enter the box. Inside box all the radiations are absorbed. No waves are permitted to escape. Hence it acts like an ideal black body.
Related Questions: - Curie is the unit of
- The intensity at the maximum in a Young’s double slit experiment is I₀.
- What determines the nature of the path followed by the particle?
- Two bodies of mass 10 kg and 5 kg moving in concentric orbits of radius
- Sodium has body centred packing. Distance between two nearest atoms is 3.7 Å.
Topics: Properties of Bulk Matter
(130)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Curie is the unit of
- The intensity at the maximum in a Young’s double slit experiment is I₀.
- What determines the nature of the path followed by the particle?
- Two bodies of mass 10 kg and 5 kg moving in concentric orbits of radius
- Sodium has body centred packing. Distance between two nearest atoms is 3.7 Å.
Topics: Properties of Bulk Matter (130)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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