Modern Physics 7 Question 42
46. Match List I (Electromagnetic wave type) with List II (Its association/application) and select the correct option from the choices given below the lists.
(2014 Main)
List I
List II
| A. | Infrared waves | 1. | To treat muscular strain |
|---|---|---|---|
| B. | Radio waves | 2. | For broadcasting |
| C. | X-rays | 3. | To detect fracture of bones |
| D. | Ultraviolet | 4. | Absorbed by the ozone layer of the atmosphere |
Codes
| A | B | $C$ |
|---|---|---|
| (a) 4 | 3 | 2 |
| (b) 1 | 2 | 4 |
| (c) 3 | 2 | 1 |
| d) 1 | 2 | 3 |
Show Answer
Answer:
Correct Answer: 46. (d)
Solution:
- (a) Infrared rays are used to treat muscular strain.
(b) Radiowaves are used for broadcasting purposes.
(c) X-rays are used to detect fracture of bones.
(d) Ultraviolet rays are absorbed by ozone.
