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Q. Which of the following has the longest wavelength?
Infrared radiation has the longest wavelength.
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Q. The magnifying power of an astronomical telescope can be decreased by
Q. An energy source will supply a constant current into the load if its internal resistance is
Q. Which of the following is a scalar quantity
Q. According to Heisenberg's uncertainty principle; it is not possible to determine
Q. Convex mirrors are used as a rear view mirror in motor cycles as
Q. Name the instrument used to measure relative humidity
Q. The enormous amount of energy released in an explosion of an atomic bomb is due to the
Q. When the milk is churned vigorously the cream from it is separated out due to
Q. Intensity of sound at a point is __________ its distance from the source.
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