1
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

Speed of sound in air near room temperature is approximately

A
$$3.4 \times 10^2 \mathrm{~ms}^{-1}$$
B
$$34 \mathrm{~ms}^{-1}$$
C
$$34 \mathrm{~kms}^{-1}$$
D
$$3.4 \mathrm{~km} \mathrm{~s}^{-1}$$
2
AP EAPCET 2022 - 4th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

A body is suspended from a string of length 1 m and mass 2 g. The mass of the body to produce a fundamental mode of 100 Hz frequency in the string is (Acceleration due to gravity $$=10 \mathrm{~ms}^{-2}$$)

A
80 g
B
4 kg
C
400 g
D
8 kg
3
AP EAPCET 2021 - 20th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

A string fixed at both ends vibrate in 5 loops as shown in the figure. The total number of nodes and anti-nodes respectively are

AP EAPCET 2021 - 20th August Morning Shift Physics - Waves Question 13 English

A
6 and 5
B
6 and 10
C
2 and 5
D
10 and 6
4
AP EAPCET 2021 - 19th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

Match the following.

Column I Column II
(A) Transverse wave through a steel rod 1. $$\sqrt{B+\left(\frac{4}{3}\right)\frac{\eta}{\rho}}$$
(B) Longitudinal waves in Earth's crust 2. $$\sqrt{\frac{\eta}{\rho}}$$
(C) Longitudinal waves through a steel rod 3. $$\sqrt{\frac{2\pi T}{\rho \lambda}}$$
(D) Ripples 4. $$\sqrt{\frac{\lambda}{\rho}}$$

A
A - 2, B - 1, C - 4, D - 3
B
A - 1, B - 3, C - 4, D - 2
C
A - 3, B - 4, C - 1, D - 2
D
A - 2, B - 4, C - 1, D - 3
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