NEET-UG and JEE Main Physics · Class 12
Applications of electromagnetic waves — NEET & JEE Questions
Applications of electromagnetic waves is a topic in Electromagnetic Waves, a Class 12 Physics chapter of the NEET-UG and JEE Main syllabus. TestBudy holds 14 published NEET-UG and JEE Main questions on Applications of electromagnetic waves, each with the marking scheme of the real paper.
- questions
- 14
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- 10
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Applications of electromagnetic waves MCQs with solutions
10 of the 14 published questions on this topic, exactly as they appear in a test. Answers and worked solutions come with your result rather than on this page.
Microwaves are widely used in
- A. bone imaging by high penetration only
- B. sterilisation using ionising gamma photons only
- C. radar and satellite communication
- D. ordinary AM broadcasting at kilometre wavelengths only
Infrared radiation is strongly associated with
- A. nuclear radiotherapy
- B. crystal diffraction at atomic spacing
- C. AM radio transmission
- D. thermal imaging and remote controls
Ultraviolet radiation is commonly used for
- A. sterilisation and fluorescence applications
- B. long-distance AM radio
- C. cooking by molecular rotation only
- D. deep-tissue gamma radiotherapy
X-rays are especially useful for
- A. radio broadcasting
- B. medical radiography and crystal-structure studies
- C. TV remote controls
- D. heating food in microwave ovens
Which electromagnetic waves are widely used for satellite communication because they can pass through the atmosphere and carry high-frequency signals?
- A. Microwaves
- B. Ultraviolet rays
- C. X-rays
- D. Gamma rays
Gamma rays are used in
- A. FM radio transmission
- B. night-vision remote controls
- C. cancer radiotherapy and sterilisation
- D. ordinary optical fibre communication as visible light only
Radio waves are especially suitable for
- A. viewing bone fractures directly
- B. sterilising surgical instruments by ionisation
- C. measuring atomic lattice spacing by diffraction
- D. broadcasting and long-range communication
A hospital needs radiation capable of producing images of bones because it penetrates soft tissue more strongly than bone. Which region is used?
- A. X-rays
- B. Radio waves
- C. Visible red light
- D. Microwaves
Which electromagnetic radiation is commonly used in remote controls and thermal imaging?
- A. Infrared
- B. Gamma rays
- C. X-rays
- D. Ultraviolet only
Which radiation is most directly associated with night-vision thermal cameras?
- A. Infrared
- B. Ultraviolet
- C. X-ray
- D. Gamma
Common mistakes in Applications of electromagnetic waves
Recorded against questions in this topic that are not shown above, so none of these points at an answer you can see on this page.
- Chooses a communication band without considering germicidal photochemical action.
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