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NCERT FINGERTIPS-ELECTROMAGNETIC WAVES-Electromagnetic Spectrum
- Which of the following is not an electromagnetic wave?
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- We consider the radiation emitted by the human body which of the follo...
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- Radio wave diffract around building although light waves do not. The r...
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- The ultra high frequency band of radio waves in electromagnetic wave i...
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- The part of the spectrum of the electromagnetic radiation used to cook...
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- The frequency 1057 MHz of radiation arising from two close energy leve...
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- A micro-wave and an ultrasonic sound wave have the same wavelength. Th...
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- The waves used by artificial satellites for communication is
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- The produced rays in sonography are
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- Which of the following electromagnetic wave play an important role in ...
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- Which of the following electromagnetic wave is used in high precision ...
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- The crystal structure can be studied by using
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- An electromagnetic radiation has an energy of 13.2 keV. Then the radia...
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- Which of the following electromagnetic waves has smaller wavelength ?
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- Which of the following electromagnetic waves is used in medicine of de...
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- The decreasing order of wavelength of infrared, microwave, ultraviolet...
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- A. Wavelength of microwaves is greater than that of ultraviolet rays. ...
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- X-rays and gamma-rays of same energies are distinguished by their
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- choose the correct option. If speed of gamma rays, X-rays and microwav...
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- X-rays, gamma rays and microwaves travelling in vacuum have
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