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A ray of light PQ is incident normally o...

A ray of light PQ is incident normally on the hypotenuse of a right angled prism ABC as shown in the diagram.

Name an instrument where this action of the prism is used.

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A ray of light PQ is incident normally on the hypotenuse of a right angled prism ABC as shown in the diagram given below: Name an instrument where this action of the prism is used.

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A light ray is incident normally on the face AB of a right-angled prism ABC (mu==1.50) as shown in figure. What is the largest angle phi for which the light ray is totally reflected at the surface AC ?

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ICSE-SELF ASSESSMENT PAPER -1-SECTION .B.
  1. What is an echo?

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  2. State two conditions for the formation of an echo.

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  3. A ray of light PQ is incident normally on the hypotenuse of a right an...

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  4. Two resistors of 4Omega and 6 Omega are connected in parallel to a cel...

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  5. Two resistors of 4Omegaand6Omega are connected in parallel to a cell t...

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  6. A lens produces a virtual image between the object and the lens. N...

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  7. A lens produces a virtual image between the object and the lens. D...

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  8. State Ohm's law.

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  9. A metal wire of resistance 62 Ohms is stretched so that its length inc...

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  10. A person is tuning his radio set to a particular station. What is the ...

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  11. Name the phenomenon involved, in tuning the radio set.

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  13. A half meter rod is pivoted at the centre with two weights of 20 gf an...

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  14. A half meter rod is pivoted at the centre with two weights of 20 gf an...

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  15. Give one use each of (a) microwaves, (b) ultraviolet radiations, (c) i...

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  16. Give one use each of (a) microwaves, (b) ultraviolet radiations, (c) i...

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  17. Give one use each of (a) microwaves, (b) ultraviolet radiations, (c) i...

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  18. The current rating of fuse is 10 A., Explain the statement.

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  19. Answer the following: (1) Name the three wires of the cable. (2)...

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  20. Calculate the quantity of heat that will be produced in a coil of resi...

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