1
TG EAPCET 2025 (Online) 3rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The amplitude of the electric field associated with a light beam of intensity $\frac{15}{\pi} \mathrm{Wm}^{-2}$ is

A

$120 \mathrm{NC}^{-1}$

B

$15 \mathrm{NC}^{-1}$

C

$60 \mathrm{NC}^{-1}$

D

$30 \mathrm{NC}^{-1}$

2
TG EAPCET 2025 (Online) 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If electromagnetic waves of power 600 W incident on a non-reflecting surface, then the total force acting on the surface is

A

$12 \times 10^{-6} \mathrm{~N}$

B

$9 \times 10^{-9} \mathrm{~N}$

C

$6 \times 10^{-6} \mathrm{~N}$

D

$2 \times 10^{-6} \mathrm{~N}$

3
TG EAPCET 2025 (Online) 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The dielectric constant of a medium is 8 and its relative permeability is 200 . If an electromagnetic wave of frequency 100 MHz travels in this medium, then its wavelength is

A

15 m

B

15 cm

C

7.5 m

D

7.5 cm

4
TG EAPCET 2024 (Online) 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
If the peak value of the magnetic field of an electromagnetic wave is $30 \times 10^{-9} \mathrm{~T}$, then the peak value of the electric field is
A
$3 \mathrm{Vm}^{-1}$
B
$12 \mathrm{Vm}^{-1}$
C
$6 \mathrm{Vm}^{-1}$
D
$9 \mathrm{Vm}^{-1}$

TS EAMCET Subjects

Browse all chapters by subject