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What are photodiodes used for ?...

What are photodiodes used for ?

A

Cut off glare

B

Absorb more light than coloured glasses

C

Are light weight

D

Remove the polarization of direct sunlight

Text Solution

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The correct Answer is:
C
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KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER 5-Physics
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  2. Find the number of beats produced per sec by the vibrations x1=A sin (...

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  3. What are photodiodes used for ?

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  4. To observe diffraction, the size of the obstacle

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  5. If two light waves having same frequency have intensity ratio 4:1 and ...

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  6. In Young's double slit experiement when wavelength used is 6000Å and t...

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  7. Dispersive power of prism material is

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  8. The reaction 5^(B^(8))rarr4^(Be^(8)) takes place due to

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  9. Match the following Column - A and Column - B

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  10. The unit of absolute permittivity is

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  11. The electric intensity at a point distant 1 m from the centre of a sph...

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  12. A positive charge Q is placed at the centre O of a thin metalic spheri...

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  13. An e.m.f. of 15 volt is applied in a circuit containing 5 henry induct...

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  14. Equal charges Q are placed at the four corners A, B, C, D of a square ...

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  16. In the following circuit in state of resonance, which statement is cor...

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  17. A bar of diamagnetic substance is placed in a magnetic field with its ...

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