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Mechanical Properties of Fluids — JEE Main Physics MCQs with Solutions
Free JEE Main Physics Mechanical Properties of Fluids MCQs with step-by-step solutions. Practise online on Prepizo — no login needed.
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Sample questions with solutions
Q1 — medium · theory
v2 T2 v T2
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q2 — medium · theory
2 23-3.
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q3 — medium · theory
The fundamental frequency of a closed organ 21-3 A sound wave of frequency 245 Hz travels
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q4 — medium · theory
pipe is equal to the first overtone frequency of 20-2. with the speed of 300 ms–1 along the positive
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q5 — medium · theory
fundamental note is 30 Hz. A certain amount 21-4. In an experiment to determine the velocity of
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q6 — medium · theory
of water is now poured in the organ pipe so resonance is observed when the air column
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q7 — medium · theory
(4) 24-2. (4) ANSWER KEY 21-2. (4) 21-3 (4)
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q8 — medium · theory
(2) 20-2. (2) 20-4. (1) 20-5. (1)
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q9 — medium · theory
20-1. f V 450 Tx
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q10 — medium · numerical
Initially beat frequency = 5 Hz 20-3. n 1.5 , n is odd integer
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q11 — medium · theory
70 103 100 m / s
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q12 — medium · theory
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q13 — medium · numerical
= 2 cm 23-5.
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q14 — medium · theory
20-1.
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q15 — medium · theory
20-3.
A. 60 cm (2) 45 cm travelling wave ? [JEE_MAIN_170321_S2] ✓ Correct
B. 30 cm (4) 15 cm (1) Y(x, t) = 0.03 [sin 5.1 x – (0.2 × 103)t]
C. 2.82.8 ms–1 (2) 175.5 ms–1 material have tension TX and TZ in them. If
D. 353.6 ms–1 (4) 707.2 ms–1 their fundamental frequencies are 450 Hz and
Q16 — medium · theory
21-5. sound in air at room temperature using a
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q17 — medium · theory
21-6. has a length of 20.0 cm for a tuning fork of
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q18 — medium · numerical
fb = f1 – f2 = CA2 1 2
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q19 — medium · numerical
e = 0.3 d
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q20 — medium · numerical
= 2(1.5) = 3 4
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q21 — medium · numerical
y = –0.21 sin (x + 30t)
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q22 — medium · theory
A closed and an open organ pipe have same
A. 2200 Hz of 600 Hz under same tension cm. ✓ Correct
B. 3300 Hz [JEE-Main_050424_(S2)]
C. 1100 Hz Two open organ pipes of length 60 cm and
D. 550 Hz 90 cm resonate at 6th and 5th harmonics
Q23 — medium · theory
104 22-4. 80 24-4. 60 21-5. 4 21-6. 10
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q24 — medium · numerical
Anet A12 A 2 2A1A 2 cos(3 ) 24-3. T2 = 5.15 × 103N
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q25 — medium · theory
Assume that the displacement (s) of air is
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q26 — medium · theory
8
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q27 — medium · numerical
L=
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q28 — medium · numerical
mass = 18g
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q29 — medium · theory
24-5. The difference in frequency in open organ
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q30 — medium · numerical
Fundamental frequency = 50 Hz (x in meter & t in sec)
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D