1
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
A particle is executing a simple harmonic motion. Its maximum acceleration is $$\alpha $$ and maximum velocity is $$\beta $$. Them, its time period of vibration will be
A
$${{{\beta ^2}} \over \alpha }$$
B
$${{2\pi \beta } \over \alpha }$$
C
$${{{\beta ^2}} \over {{\alpha ^2}}}$$
D
$${\alpha \over \beta }$$
2
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
A string is stretched between fixed points separated by 75.0 cm. It is observed to have resonant frequencies of 420 Hz and 315 Hz. There are no other resonant frequencies between these two. The lowest resonant frequency for this string is
A
10.5 Hz
B
105 Hz
C
155 Hz
D
205 Hz
3
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
4.0 g of a gas occupies 22.4 litres at NTP. The specific heat capacity of the gas at constant volume is 5.0 J K$$-$$1 mol$$-$$1. If the speed of sound in this gas at NTP is 952 m s$$-$$1, then the heat capacity at constant pressure is
(Take gas constant R $$=$$ 8.3 J K$$-$$1 mol$$-$$1)
A
7.0 J K$$-$$1 mol$$-$$1
B
8.5 J K$$-$$1 mol$$-$$1
C
8.0 J K$$-$$1 mol$$-$$1
D
7.5 J K$$-$$1 mol$$-$$1
4
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
A source of sound S emitting waves of frequency 100 Hz and an observer O are located at some distance from each other. The source is moving with a speed of 19.4 m s$$-$$1 at an angle of 60o with the source observer line as shown in the figure. The observer is at rest. The apparent frequency observed by the observer (velocity of sound in air 330 m s$$-$$1), is
AIPMT 2015 Physics - Waves Question 49 English
A
106 Hz
B
97 Hz
C
100 Hz
D
103 Hz
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12