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Which of the following statement is inco...

Which of the following statement is incorrect about electromagnetic waves?

A

It is produced during de-excitation of nucleus in radioactivity

B

It is produced when high speed electron enters into target of high atomic weight

C

An electron orbiting around its nucleus in a stationary orbit does emit electromagnetic wave

D

The electric energy and the magnetic energy have equal average values

Text Solution

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The correct Answer is:
C
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  • AAKASH INSTITUTE-Mock Test 34: PHYSICS-Example
    1. Which of the following statement is incorrect about electromagnetic wa...

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    2. The poynting vector in vaccum is represented by (where symbols have th...

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    3. The average intensity of electromagnetic wave is (where symbols have t...

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    4. When a capacitor is charged then l(c)= conduction current l(d) = dis...

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    5. Sum of the areas of two squares is 544 m^(2). If the difference of the...

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    6. If lambdav, lambdax and lambdam represents the wavelength of visible...

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    7. Which of the following are electromagnetic waves ?

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    8. Image of an object in a convex mirror is

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    9. The minimum distance between the object and its real image for concave...

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    10. Draw E and V versus r on the same graph for a point charge.

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    11. Can we project the image formed by a plane mirror on to a screen? Give...

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    12. When the two plane mirror are parallel to each other, then the number ...

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    13. A real object is placed at a distance f from the pole of a convex mirr...

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    14. A short linear object of length b lies along the axis of a concave mir...

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    15. The value of refractive index of diamond is

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    16. For total internal reflection to take place, the angle of incidence i ...

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    17. If c is velocity of light in vacuum and v is the velocity of light in ...

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    18. Which of the following statements is true?

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    19. A light enters a glass slab of thickness t with angle of incidence i s...

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    20. If a ray of light is incident from rarer medium at an angle 45° on the...

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