1
JEE Main 2024 (Online) 8th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Three bodies A, B and C have equal kinetic energies and their masses are $$400 \mathrm{~g}, 1.2 \mathrm{~kg}$$ and $$1.6 \mathrm{~kg}$$ respectively. The ratio of their linear momenta is :

A
$$1: \sqrt{3}: 2$$
B
$$\sqrt{3}: \sqrt{2}: 1$$
C
$$1: \sqrt{3}: \sqrt{2}$$
D
$$\sqrt{2} : \sqrt{3}: 1$$
2
JEE Main 2024 (Online) 6th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

When kinetic energy of a body becomes 36 times of its original value, the percentage increase in the momentum of the body will be :

A
60%
B
500%
C
6%
D
600%
3
JEE Main 2024 (Online) 6th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A bullet of mass $$50 \mathrm{~g}$$ is fired with a speed $$100 \mathrm{~m} / \mathrm{s}$$ on a plywood and emerges with $$40 \mathrm{~m} / \mathrm{s}$$. The percentage loss of kinetic energy is :

A
$$44 \%$$
B
$$16 \%$$
C
$$84 \%$$
D
$$32 \%$$
4
JEE Main 2024 (Online) 6th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Four particles $$A, B, C, D$$ of mass $$\frac{m}{2}, m, 2 m, 4 m$$, have same momentum, respectively. The particle with maximum kinetic energy is :

A
B
B
C
C
D
D
A
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