The energy of the EM waves is of the order of \(15~\mathrm{keV}\). To which part of the spectrum does it belong?
1. X-rays
2. Infrared rays
3. Ultraviolet rays
4. \(\gamma\)-rays

Subtopic:  Electromagnetic Spectrum |
 58%
From NCERT
NEET - 2015
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The condition under which a microwave oven heats up a food item containing water molecules most efficiently is:

1. the frequency of microwaves has no relation with the natural frequency of water molecules.
2. microwaves are heatwaves, so always produce heating.
3. infrared waves produce heating in a microwave oven.
4. the frequency of the microwaves must match the resonant frequency of the water molecules.
Subtopic:  Electromagnetic Spectrum |
 79%
From NCERT
AIPMT - 2013
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The decreasing order of wavelength of infrared, microwave, ultraviolet and gamma rays is:
1. gamma rays, ultraviolet, infrared, microwaves.
2. microwaves, gamma rays, infrared, ultraviolet.
3. infrared, microwave, ultraviolet, gamma rays.
4. microwave, infrared, ultraviolet, gamma rays.
Subtopic:  Electromagnetic Spectrum |
 84%
From NCERT
AIPMT - 2011
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

advertisementadvertisement