IIT-JEE Physics – Full Length Mechanics Test
SET–6 : Complete Mechanics (All Patterns)
This test follows IIT-JEE / JEE Advanced standard. Time: 3 Hours | Full Syllabus Coverage | Mixed Question Types
SECTION – A : MCQs (Single Correct)
Q91.
A particle moves in a circle with constant speed. Which statement is correct?
A) Velocity is constant B) Acceleration is zero C) Net force is non-zero D) Kinetic energy changes
Answer: C
Q92.
A block is just about to slide on a rough incline. The frictional force acting is:
A) Zero B) μkN C) μsN D) Less than μsN
Answer: C
SECTION – B : Multiple Correct
Q93.
Which quantities remain conserved in an elastic collision?
A) Momentum B) Kinetic Energy C) Mechanical Energy D) Angular Momentum
Answer: A, B
Q94.
For SHM, which statements are correct?
A) Restoring force ∝ displacement B) Acceleration is maximum at mean position C) Time period is independent of amplitude D) Velocity is zero at mean position
Answer: A, C
SECTION – C : Numerical Answer Type
Q95.
A block of mass 2 kg slides down a smooth incline of angle 30°. Find its acceleration (g = 10 m/s²).
Answer: 5 m/s²
Q96.
Find the escape velocity from Earth if g = 10 m/s² and R = 6.4×10⁶ m.
Answer: 1.13 × 10⁴ m/s
SECTION – D : Assertion–Reason
Q97.
Assertion (A): A satellite in circular orbit has negative total energy.
Reason (R): Gravitational force is a conservative force.
Answer: B
Q98.
Assertion (A): Nodes in standing waves never vibrate.
Reason (R): Amplitude at nodes is zero.
Answer: A
SECTION – E : Long Numerical (IIT-Advanced)
Q99.
A solid sphere rolls without slipping down an incline of height h. Find its speed at the bottom.
Answer: √(10gh / 7)
Q100.
A particle performs SHM with maximum speed v and maximum acceleration a. Find its amplitude.
Answer: v² / a
✔ End of Full-Length IIT-JEE Mechanics Test – SET–6
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