1
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

A body of mass $$5 \times 10^3 \mathrm{~kg}$$ moving with speed $$2 \mathrm{~m} / \mathrm{s}$$ collides with a body of mass $$15 \times 10^3 \mathrm{~kg}$$ inelastically and sticks to it. Then loss in $$\mathrm{KE}$$ of the system will be

A
$$7.5 \mathrm{~kJ}$$
B
$$15 \mathrm{~kJ}$$
C
$$10 \mathrm{~kJ}$$
D
$$5 \mathrm{~kJ}$$
2
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

Assertion : There is no loss in energy in elastic collision.

Reason : Linear momentum is conserved in elastic collision.

A
If both assertion and reason are true and reason is the correct explanation of assertion.
B
If both assertion and reason are true, but reason is not the correct explanation of assertion.
C
If assertion is true, but reason is false.
D
If both assertion and reason are false.
3
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

Assertion : Even though net external force on a body is zero, momentum need not to conserved.

Reason : The internal interaction between particles of a body cancels out momentum of each other.

A
If both assertion and reason are true and reason is the correct explanation of assertion.
B
If both assertion and reason are true, but reason is not the correct explanation of assertion.
C
If assertion is true, but reason is false.
D
If both assertion and reason are false.
4
AIIMS 2018
MCQ (Single Correct Answer)
+1
-0.33

Body of mass M is much heavier than the other body of mass m. The heavier body with speed v collides with the lighter body which was at rest initially elastically. The speed of lighter body after collision is

A
2v
B
3v
C
v
D
$$\frac{v}{2}$$
AIIMS Subjects
EXAM MAP