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A plane mirror produces a magnification ...

A plane mirror produces a magnification of—

A

`-1`

B

`+1`

C

zero

D

between O and `oo`

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UNITED BOOK HOUSE-MODEL PAPER SET-10-EXERCISE
  1. In L.C.R. series a.c. circuit, the phase angle between current and vol...

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  2. The velocity of electromagnetic wave is parallel to—

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  3. A plane mirror produces a magnification of—

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  4. A convex glass Iens (mug = 1.5 ) has a focal length 8 cm when place in...

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  5. If ratio of amplitudes of two waves is 4:3 then ratio of maximum and m...

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  6. When Ge crystals are doped with phosphorous atom, then it becomes —

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  7. A microphone converts—

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  8. A radio active element "90X^238 decays into "83X^222. The no. of B par...

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  9. The splitting of white light into several colours on passing through a...

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  10. No two electric field lines can intersect each other. Why?

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  11. What is the value of an electron-volt?

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  12. Can there be magnets with single-pole?

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  13. What is the unit of magnetic flux?

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  14. Can we cast the image formed by a convex mirror on a screen?

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  15. What is S.I. unit of power of a lens?

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  16. What is the phase difference between any two points on the same wavefr...

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  17. Name the phenomenon which illustrates the particle nature of light.

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  18. A TV tower is 80m tall. Calculate the maximum distance upto which the ...

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  19. What is the purpose of modulating a signal in transmission?

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  20. Write down the binary addition of 101010 and 010101.

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