General Knowledge :: Physics
- Green house effect is the heating up of the Earth's atmosphere which is due to
- Which of the following has the longest wavelength?
- Night photography and photopraphy in mist and fog are possible using
- A car parked in the sun with its windows closed gets terribly hot inside. This is due to
- To measure the speed of an approaching car a police officer shines
- The device used for measuring the wavelength of X-rays is
- If the wavelengths corresponding to ultraviolet, visible and infrared radiations are given as lUV, lVIS and lIR respectively, then which of the following gives the correct relationship among these wavelengths?
- Transition ions absorb light in :
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