1
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which one of the following statements is true?

A
The sound waves in air are longitudinal while the light waves in air are transverse.
B
Both light and sound waves in air are transverse.
C
Both light and sound waves in air are longitudinal.
D
The sound waves are transverse and light waves are longitudinal.
2
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Two consecutive harmonics of an air column in a pipe closed at one end are of frequencies 150 Hz and 250 Hz. The fundamental frequency of an air column is

A
25 Hz
B
75 Hz
C
100 Hz
D
50 Hz
3
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

An air column in a pipe, which is closed at one end will be in resonance with a vibrating tuning fork of frequency 264 Hz for various lengths. Which one of the following lengths is not possible? (V = 330 m/s)

A
62.50 cm
B
93.75 cm
C
156.25 cm
D
31.25 cm
4
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Beats are produced by waves $$\mathrm{y_1=a\sin2000\pi t}$$ and $$\mathrm{y_2=a\sin2008\pi t}$$. The number of beats heard per second is

A
4
B
1
C
zero
D
8
MHT CET Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
CBSE
Class 12