Day 470: JEE Mains Physics

1. A.
   $\frac{B^{2}\text{ }Al}{\mu_{0}}$
2. B.
   $\frac{B^{2}\text{ }Al}{2\mu_{0}}$
3. C.
   $B^{2}\text{ }Al$
4. D.
   $\frac{B^{2}\text{ }Al}{4\mu_{0}}$

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1. A.
   zero frequency
2. B.
   half the frequency of the wave
3. C.
   double the frequency of the wave
4. D.
   the frequency of the wave

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1. A.
   (A), (B) and (C) only
2. B.
   (C) and (D) only
3. C.
   (A), (C) and (D) only
4. D.
   (B) and (D) only

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1. A.
   The speed of satellite in a given circular orbit remains constant.
2. B.
   For a planet revolving around the sun in an elliptical orbit, the total energy of the planet remains constant.
3. C.
   When a body fall towards earth, the displacement of earth towards the body is negligible.
4. D.
   The linear speed of a planet revolving around the sun remains constant.

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1. A.
   $\frac{7}{5}$
2. B.
   $\frac{3}{2}$
3. C.
   $\frac{3}{5}$
4. D.
   $\frac{5}{3}$

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