Day 253: JEE Mains Physics

1. A.
   $525\text{ }J$
2. B.
   $441\text{ }J$
3. C.
   572 J
4. D.
   $735\text{ }J$

Tap an option to check your answer.

1. A.
   $4\pi r^{2}\text{ }T\left\lbrack 2 - 2^{\frac{2}{3}} \right\rbrack$
2. B.
   $4\pi r^{2}\text{ }T\left\lbrack 2 - 2^{\frac{1}{3}} \right\rbrack$
3. C.
   $4\pi r^{2}T\lbrack 1 + \sqrt{2}\rbrack$
4. D.
   $4\pi r^{2}\text{ }T\lbrack\sqrt{2} - 1\rbrack$

Tap an option to check your answer.

1. A.
   $B_{z} = 2.3 \times 10^{- 7}\sin\left\lbrack 0.6 \times 10^{3}x - 1.8 \times 10^{11}t \right\rbrack$
2. B.
   $B_{z} = 2.3 \times 10^{- 7}\sin\left\lbrack 0.6 \times 10^{3}x + 1.8 \times 10^{11}t \right\rbrack$
3. C.
   $B_{y} = 69\sin\left\lbrack 0.6 \times 10^{3}x + 1.8 \times 10^{11}t \right\rbrack$
4. D.
   $B_{y} = 2.3 \times 10^{- 7}\sin\left\lbrack 0.6 \times 10^{3}x - 1.8 \times 10^{11}t \right\rbrack$

Tap an option to check your answer.