| ⇦ | 
| ⇨ |
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: - The initial rate of increase of current, when a battery of emf 6 V is connected
- The electric field associated with an e.m. wave in vacuum is given by
- Identify the wrong statement
- The radius of a nucleus of mass number A is directly proportional to
- In the Young’s double slit experiment, a point P on the central bright fringe
Topics: Properties of Bulk Matter
(130)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The initial rate of increase of current, when a battery of emf 6 V is connected
- The electric field associated with an e.m. wave in vacuum is given by
- Identify the wrong statement
- The radius of a nucleus of mass number A is directly proportional to
- In the Young’s double slit experiment, a point P on the central bright fringe
Topics: Properties of Bulk Matter (130)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply