AP EAPCET 2024 - 23th May Morning Shift | Electromagnetic Waves Question 1 | Physics

For plane electromagnetic waves propagating in the positive $z$-direction. The combination which gives the correct possible direction for $\mathbf{E}$ and $\mathbf{B}$ fields respectively is

$(-2 \hat{\mathbf{i}}-3 \hat{\mathbf{j}})$ and $(3 \hat{\mathbf{i}}-2 \hat{\mathbf{j}})$

$(3 \hat{i}+4 \hat{j})$ and $(4 \hat{i}-3 \hat{j})$

$(\hat{\mathbf{i}}-2 \hat{\mathbf{j}})$ and $(-2 \hat{\mathbf{i}}-\hat{\mathbf{j}})$

$(-2 \hat{\mathbf{i}}+3 \hat{\mathbf{j}})$ and $(\hat{\mathbf{i}}+2 \hat{\mathbf{j}})$

AP EAPCET 2024 - 23th May Morning Shift

MCQ (Single Correct Answer)

-0

Size of the antenna for a carrier wave of frequency 3 MHz is

75 m

50 m

2.5 m

25 m

AP EAPCET 2024 - 22th May Evening Shift

MCQ (Single Correct Answer)

-0

The radiation of energy $E$ falls normally on a perfectly reflecting surface. The momentum transferred to the surface is

$\frac{E}{C}$

$\frac{2 E}{c}$

$\frac{E}{c^2}$

$\frac{2 E}{c^2}$

AP EAPCET 2024 - 22th May Morning Shift

MCQ (Single Correct Answer)

-0

The structure of solids is investigated by using

cosmic rays

$\beta$-rays

X-rays

$\boldsymbol{\gamma}$-rays

Questions Asked from MCQ (Single Correct Answer)

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