1
JEE Main 2023 (Online) 10th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

In a metallic conductor, under the effect of applied electric field, the free electrons of the conductor

A
move in the straight line paths in the same direction
B
move with the uniform velocity throughout from lower potential to higher potential
C
drift from higher potential to lower potential.
D
move in the curved paths from lower potential to higher potential
2
JEE Main 2023 (Online) 10th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A gas mixture consists of 2 moles of oxygen and 4 moles of neon at temperature T. Neglecting all vibrational modes, the total internal energy of the system will be,

A
4RT
B
16RT
C
8RT
D
11RT
3
JEE Main 2023 (Online) 10th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A bar magnet is released from rest along the axis of a very long vertical copper tube. After some time the magnet will

A
move down with almost constant speed
B
move down with an acceleration equal to $$\mathrm{g}$$
C
move down with an acceleration greater than $$\mathrm{g}$$
D
oscillate inside the tube
4
JEE Main 2023 (Online) 10th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Two projectiles are projected at $$30^{\circ}$$ and $$60^{\circ}$$ with the horizontal with the same speed. The ratio of the maximum height attained by the two projectiles respectively is:

A
$$1: \sqrt{3}$$
B
$$\sqrt{3}: 1$$
C
1 : 3
D
$$2: \sqrt{3}$$
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