1
JEE Main 2023 (Online) 13th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

In an electromagnetic wave, at an instant and at particular position, the electric field is along the negative $$z$$-axis and magnetic field is along the positive $$x$$-axis. Then the direction of propagation of electromagnetic wave is:

A
at $$45^{\circ}$$ angle from positive y-axis
B
positive $$y$$-axis
C
negative $$\mathrm{y}$$-axis
D
positive z-axis
2
JEE Main 2023 (Online) 13th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

In the network shown below, the charge accumulated in the capacitor in steady state will be:

JEE Main 2023 (Online) 13th April Evening Shift Physics - Capacitor Question 19 English

A
10.3 $$\mu$$C
B
7.2 $$\mu$$C
C
4.8 $$\mu$$C
D
12 $$\mu$$C
3
JEE Main 2023 (Online) 13th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

In a Young's double slits experiment, the ratio of amplitude of light coming from slits is $$2: 1$$. The ratio of the maximum to minimum intensity in the interference pattern is:

A
25 : 9
B
9 : 1
C
9 : 4
D
2 : 1
4
JEE Main 2023 (Online) 13th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The mean free path of molecules of a certain gas at STP is $$1500 \mathrm{~d}$$, where $$\mathrm{d}$$ is the diameter of the gas molecules. While maintaining the standard pressure, the mean free path of the molecules at $$373 \mathrm{~K}$$ is approximately:

A
$$750 \mathrm{~d}$$
B
$$1500 \mathrm{~d}$$
C
$$\mathrm{2049~ d}$$
D
$$1098 \mathrm{~d}$$
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