1
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
2
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
The fundamental frequency of a closed organ pipe of length 20 cm is equal to the second overtone of an organ pipe open at both the ends. The length of organ pipe open at both the ends is
A
120 cm
B
140 cm
C
80 cm
D
100 cm
3
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
A parallel plate air capacitor has capacity C, distance of separation between plates is d and potential difference $$V$$ is applied between the plates. Force of attraction between the plates of the parallel plate air capacitor is
A
$${{C{V^2}} \over d}$$
B
$${{{C^2}{V^2}} \over {2{d^2}}}$$
C
$${{{C^2}{V^2}} \over {2d}}$$
D
$${{C{V^2}} \over {2d}}$$
4
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
If potential (in volts) in a region is expressed as V(x, y, z) = 6xy $$-$$ y + 2yz, the electric field (in N/C) at point (1, 1, 0) is
A
$$ - \left( {2\widehat i + 3\widehat j + \widehat k} \right)$$
B
$$ - \left( {6\widehat i + 9\widehat j + \widehat k} \right)$$
C
$$ - \left( {3\widehat i + 5\widehat j + 3\widehat k} \right)$$
D
$$ - \left( {6\widehat i + 5\widehat j + 2\widehat k} \right)$$
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12