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HC VERMA-PHOTOMETRY-Objective 1
- The one parameter that determines that brightness of a light source se...
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- Three light sources A,B, and C emit equal amount of radiant energy per...
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- As the wavelength in increased form violet to red, the luminosity
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- An electric bulb is hanging over a table at a height of 1 m above it. ...
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- Light from a point source falls on a screen. If the separation between...
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- A battery operated tourch is adjusted to send and almost parallel beam...
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- The intensity produced by a long cylindrical light source at a small d...
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- A photographic plate placed at a distance of 5 cm from a weak point so...
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- A photographic plate is directly in fornt of as small diffused source ...
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- A point source of light moves ijn a straight line paralel to a plane t...
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- Figure shows a glowing mercury tube. The intensities at point A, B and...
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