1
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
The bulk modulus of a spherical object is 'B'. If it is subjected to uniform pressure 'P', the fractional decrease in radius is
A
$${B \over {3p}}$$
B
$${{3p} \over B}$$
C
$${p \over {3B}}$$
D
$${p \over B}$$
2
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
A particle executes linear simple harmonic motion with an amplitude of 3 cm. When the particle is at 2 cm from the mean position, the magnitude of its velocity is equal to that of its acceleration. Then its time period in second is
A
$${{\sqrt 5 } \over {2\pi }}$$
B
$${{4\pi } \over {\sqrt 5 }}$$
C
$${{2\pi } \over {\sqrt 3 }}$$
D
$${{\sqrt 5 } \over \pi }$$
3
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
A spring of force constant k is cut into lengths of ratio 1 : 2 : 3. They are connected in series and the new force constant is K'. Then they are connected in parallel and force constant is k''. Then k' : k'' is
A
1 : 9
B
1 : 11
C
1 : 14
D
1 : 6
4
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
The two nearest harmonics of a tube closed at one end and open at other end are 220 Hz and 260 Hz. What is the fundamental frequency of the system ?
A
20 Hz
B
30 Hz
C
40 Hz
D
10 Hz