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Represent EM waves propagating along the...

Represent EM waves propagating along the x-axis in which electric and magnetic fields are along y-axis and z-axis respectively

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CBSE COMPLEMENTARY MATERIAL-ELECTROMAGNETIC WAVES AND OPTICS-SHORT ANSWER QUESTION 2 MARKS
  1. Give one use of the UV ray

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  2. Give one use of each of the following y-ray

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  3. Represent EM waves propagating along the x-axis in which electric and ...

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  4. State the principles of production of EM waves. An EM wave of waveleng...

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  5. An EM wave has amplitude of electric field E0 and amplitude of magneti...

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  6. State two applications of infrared radiations

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  7. State two applications of radio waves.

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  8. State two applications of x-rays

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  9. Show that the avearge energy density of the electric field vecE equals...

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  10. Use mirror equation to deduce that an object placed between the pole a...

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  11. Calculate the value of θ, for which light incident normally on face AB...

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  12. Name any two characteristics of light which do not change on polarisat...

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  13. Complete the path of light with correct value of angle of emergence.

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  14. Define diffraction. What should be the order of the size of the apertu...

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  15. Show that maximum intensity in interference pattern is four times the ...

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  16. Two poles-one 4 m high and the other is 4.5 m high are situated at dis...

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  17. S1 and S2 are two sources of light separated by a distance d. A detect...

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  18. If a jogger runs with constant speed towards a vehicle, how fast does ...

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  19. If the angle between the pass axis of polariser and analyser is 45^(@)...

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  20. When does (i) a plane mirror and (ii) a convex mirror produce real ima...

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