MCQ practice · SSC Physics Board questions · Chapter 8: Reflection of Light
What kind of light comes out of a remote controller?
Think it through first, then pick an option.
- a ultraviolet
- b microwave
- c X-ray
- d infrared
Answer and explanation
Correct answer: d infrared
A TV remote control gives out infrared light, which cannot be seen with the bare eye but can be seen through a phone camera. It does not give out ultraviolet, microwave or X-ray.
Why the other options are wrong
- a ultraviolet: This is not the answer: A TV remote control gives out infrared light, which cannot be seen with the bare eye but can be seen through a phone camera. It does not give out ultraviolet, microwave or X-ray.
- b microwave: This is not the answer: A TV remote control gives out infrared light, which cannot be seen with the bare eye but can be seen through a phone camera. It does not give out ultraviolet, microwave or X-ray.
- c X-ray: This is not the answer: A TV remote control gives out infrared light, which cannot be seen with the bare eye but can be seen through a phone camera. It does not give out ultraviolet, microwave or X-ray.
Your account is open, so all 30,000+ MCQs from every chapter are yours. Start practising SSC Physics →
Want to keep going?
A free account carries you on to the next questions and opens 30,000+ MCQs from every chapter. Join before launch and Chirkut bundles are 60% off.
The ones you missed, worth one more look