State two factors upon which the rate of...

State two factors upon which the rate of emission of thermions depends.

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SAMPLE PAPER 2022
ICSE MODEL PAPER|Exercise SECTION II|28 Videos

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ICSE MODEL PAPER-SAMPLE PAPER 2022-SECTION II

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Draw a displacement-distance graph for two waves A and B such that the...
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Give one example of forced vibration.
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State two necessary conditions for hearing a distance echo.
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A man standing in front of a vertical cliff fires a gun. He hears the ...
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The diagram shows an electrical circuit used for the verification of O...
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Calculate the reading of A when (i) K is closed. (ii) K is open.
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In Mrs. Pinto’s flat there are 6 bulbs of 100 W each, a heater of 2 kW...
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From the diagram given below: What will you observe when- (1)...
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From the diagram given below: What will be the direction of curr...
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Calculate the amount of heat given out while 400 g of water at 30^@C i...
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A mass m1 of a substance of specific heat capacity c1 at temperature t...
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Draw a labelled diagram of an alternating current generator. Write th...
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Define work function of a metal.
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State two factors upon which the rate of emission of thermions depends...
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Define radioactivity. Name various radioactive elements.
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A radioactive substance is oxidised. What changes would you expect to ...
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Radioactive materials as an alternative source of energy must be wisel...
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