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Calculate the wavelength of an electroma...

Calculate the wavelength of an electromagnetic wave of frequency 15 MHz.

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ICSE MODEL PAPER-SAMPLE PAPER 2022-SECTION II
  1. Calculate the wavelength of an electromagnetic wave of frequency 15 MH...

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  2. An engine can pump 30,000 L of water to a vertical height of 45 m in 1...

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  3. .Renewable sources of energy must be encouraged to meet growing demand...

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  4. A pulley system has a velocity ratio 5. Draw a neat labelled diagram o...

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  5. A pulley system has a velocity ratio 5. Draw a neat labelled diagram o...

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  6. Copy and complete the ray diagram to show the formation of the image ...

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  7. Name the lens LL'.

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  8. Name a device in which this principle is used.

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  9. Figure below shows a light ray of green colour incident on the prisms ...

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  10. Name any four regions of electromagnetic spectrum in increasing order ...

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  11. Calculate the refractive index of a liquid with respect to air applyin...

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  12. Draw a displacement-distance graph for two waves A and B such that the...

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  13. Give one example of forced vibration.

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  14. State two necessary conditions for hearing a distance echo.

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  15. A man standing in front of a vertical cliff fires a gun. He hears the ...

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  16. The diagram shows an electrical circuit used for the verification of O...

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  17. Calculate the reading of A when (i) K is closed. (ii) K is open.

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  18. In Mrs. Pinto’s flat there are 6 bulbs of 100 W each, a heater of 2 kW...

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  19. From the diagram given below: What will you observe when- (1)...

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  20. From the diagram given below: What will be the direction of curr...

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  21. From the diagram given below: State the law which explains this ...

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