AP EAPCET 2022 - 4th July Morning Shift | Waves Question 12 | Physics

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 $$=10 \mathrm{~ms}^{-2}$$)

80 g

4 kg

400 g

8 kg

AP EAPCET 2021 - 20th August Morning Shift

MCQ (Single Correct Answer)

-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

6 and 5

6 and 10

2 and 5

10 and 6

AP EAPCET 2021 - 19th August Evening Shift

MCQ (Single Correct Answer)

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

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

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

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

AP EAPCET 2021 - 19th August Morning Shift

MCQ (Single Correct Answer)

-0

The sources of sound A and B produce a wave of 350 Hz in same phase. A particle P is vibrating under an influence of these two waves. If the amplitudes at P produced by the two waves is 0.3 mm and 0.4 mm, the resultant amplitude of the point P will be, when AP $$-$$ BP = 25 cm and the velocity of sound is 350 ms$$^{-1}$$

0.7 mm

0.1 mm

0.2 mm

0.5 mm

AP EAPCET Subjects