Consider the following:
1. Short-wavelength radio waves
2. Long-wavelength radio waves
3. Infrared radiation
4. Ultraviolet radiation
Which of the above is/are used in microwave ovens?
1
1 Only
2
3 Only
3
1 and 3 Only
4
2, 3 and 4
Consider the following:
1. Short-wavelength radio waves
2. Long-wavelength radio waves
3. Infrared radiation
4. Ultraviolet radiation
Which of the above is/are used in microwave ovens?