Day 310: JEE Mains Physics

1. A.
   $1.6 \times 10^{5}\text{ }Hz$
2. B.
   $5.6 \times 10^{5}\text{ }Hz$
3. C.
   $2.8 \times 10^{6}\text{ }Hz$
4. D.
   $1.8 \times 10^{6}\text{ }Hz$

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1. A.
   Statement-I is true but Statement-II is false.
2. B.
   Statement-I is false but Statement-II is true.
3. C.
   Both Statement-I and Statement-II are true.
4. D.
   Both Statement-I and Statement-II are false.

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1. A.
   $\frac{4}{3}\pi a^{3}\alpha\Delta T$
2. B.
   $4\pi a^{3}\alpha\Delta T$
3. C.
   $3a^{3}\alpha\Delta T$
4. D.
   $4a^{3}\alpha\Delta T$

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1. A.
   Option (A)
2. B.
   Option (B)
3. C.
   Option (C)
4. D.
   Option (D)

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1. A.
   $282.8{\text{ }ms}^{- 1}$
2. B.
   $175.5{\text{ }ms}^{- 1}$
3. C.
   $353.6{\text{ }ms}^{- 1}$
4. D.
   $707.2{\text{ }ms}^{- 1}$

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