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Explain, why in daylight an object appea...

Explain, why in daylight an object appears red when seen through a red glass and black when seen through a blue glass?

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Reflects only red light.
No light reaches to our eyes.
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ICSE-SELF ASSESSMENT PAPER -5-SECTION-B
  1. Give one example of forced vibration.

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

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  3. Explain, why in daylight an object appears red when seen through a red...

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  4. Name the extreme colours in pure spectrum of light.

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  5. A substance has nearly zero resistance at a temperature of 1 K What is...

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  6. State the factors affecting the resistance of a conductor.

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  7. An object AB is placed between O and F1 on the principal axis of a con...

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  8. The wavelength of waves produced on the surface of water is 20 cm. If ...

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  9. The wavelength of waves produced on the surface of water is 20 cm. If ...

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  10. (a) How does the angle of deviation produced by a prism change with in...

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  11. How does the angle of minimum deviation produced by a prism change wit...

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  12. Give three reasons for the loss in energy in a machine.

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  13. An electric iron is rated at 220 V, 2 kW. If the iron is used for 2...

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  14. An electric iron is rated at 220 V, 2 kW. Why is the fuse absolutel...

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  15. Name the factor affecting the Centre of gravity of a body.

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  16. A uniform meter scale is kept in equilibrium when supported at the 60 ...

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  17. The given ray diagram illustrates the experimental set up for the dete...

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  18. The given ray diagram illustrates the experimental set up for the dete...

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  19. The given ray diagram illustrates the experimental set up for the dete...

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  20. A cell is sending current in an external circuit. How does the termina...

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