1
JEE Main 2024 (Online) 5th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Following gates section is connected in a complete suitable circuit.

JEE Main 2024 (Online) 5th April Morning Shift Physics - Semiconductor Question 22 English

For which of the following combination, bulb will glow (ON) :

A
$$\mathrm{A}=1, \mathrm{~B}=1, \mathrm{C}=1, \mathrm{D}=0$$
B
$$\mathrm{A}=1, \mathrm{~B}=0, \mathrm{C}=0, \mathrm{D}=0$$
C
$$\mathrm{A}=0, \mathrm{~B}=0, \mathrm{C}=0, \mathrm{D}=1$$
D
$$\mathrm{A}=0, \mathrm{~B}=1, \mathrm{C}=1, \mathrm{D}=1$$
2
JEE Main 2024 (Online) 5th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements :

Statement I : When a capillary tube is dipped into a liquid, the liquid neither rises nor falls in the capillary. The contact angle may be $$0^{\circ}$$.

Statement II : The contact angle between a solid and a liquid is a property of the material of the solid and liquid as well.

In the light of the above statement, choose the correct answer from the options given below.

A
Statement I is true and Statement II is false
B
Statement I is false but Statement II is true
C
Both Statement I and Statement II are true
D
Both Statement I and Statement II are false
3
JEE Main 2024 (Online) 5th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Light emerges out of a convex lens when a source of light kept at its focus. The shape of wavefront of the light is :

A
cylindrical
B
spherical
C
plane
D
both spherical and cylindrical
4
JEE Main 2024 (Online) 5th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

An electron rotates in a circle around a nucleus having positive charge $$\mathrm{Ze}$$. Correct relation between total energy (E) of electron to its potential energy (U) is :

A
$$2 \mathrm{E}=3 \mathrm{U}$$
B
$$\mathrm{E}=\mathrm{U}$$
C
$$2 \mathrm{E}=\mathrm{U}$$
D
$$\mathrm{E}=2 \mathrm{U}$$
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