Day 276: JEE Mains Physics

1. A.
   $166\text{ }N$
2. B.
   $25\text{ }N$
3. C.
   $125\text{ }N$
4. D.
   $5\text{ }N$

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1. A.
   $\frac{10}{\sqrt{2}}$
2. B.
   $\frac{5}{\sqrt{2}}$
3. C.
   $5\sqrt{2}$
4. D.
   $\frac{5}{2}$

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1. A.
   It depends on the nature of emitter material.
2. B.
   It depends upon frequency of the incident light.
3. C.
   It increases with increase in intensity of the incident light.
4. D.
   It is $1/e$ times the maximum kinetic energy of electrons emitted.

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1. A.
   $36{Nm}^{- 2}$
2. B.
   $18{Nm}^{- 2}$
3. C.
   $6{Nm}^{- 2}$
4. D.
   $2{Nm}^{- 2}$

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