TEST SERIES FOR AIPMT (HALF SYLLABUS) - Career Point

Q.13 A simple harmonic oscillator has a period T and
energy E. The amplitude of the oscillator is
doubled. Choose the correct answer -
(1) Period and energy get doubled
(2) Period gets doubled while energy remains the
same
(3) Energy gets doubled while period remains the
same
(4) Period remains the same and energy becomes
4 times.
Q.14 A string of length L is fixed at one end and the
2
string makes rev/s around the vertical axis
π
through the fixed end as shown in the figure, then
tension in the string iss
–R–
(1) ML (2) 2 ML
(3) 4 ML (4) 16 ML
θ
Q.15 A particle is moving in a circular path with a
constant speed v. If θ is the angular displacement,
then starting from θ = 0º, the maximum and
minimum changes in the momentum will occur,
when value of θ is respectively-
(1) 45º and 90º (2) 90º and 180º
(3) 180º and 360º (4) 90º and 270º
Q.16 A small cone filled with water is revolved in a
vertical circle of radius 4 m and the water does
not fall down. What must be the maximum period
of revolution ?
(1) 4s (2) 2s (3) 1s (4) 6 s
Q.17 A body of mass m is moving in a circle of radius r
with a constant speed v. The force on the body is
mv 2 /r and is directed towards the centre. What is
the work done by this force in moving the body
over half the circumference of the circle ?
2
mv
(1) × πr
r
2
mv
(2)
2
r
(3) zero
πr
(4)
2
mv
L
Q.13 ,d ljy vkorZ nksyd dk vkorZdky T rFkk ÅtkZ
E gSA nksyd dk vk;ke nqxquk dj fn;k tkrk gSA
rks lgh mÙkj pqfu;s&
(1) vkorZdky rFkk ÅtkZ nqxqus gks tkrs gS
(2) vkorZdky nqxquk gks tkrk gS tcfd ÅtkZ ogh
jgrh gS
(3) ÅtkZ nqxquh gks tkrh gS tcfd vkorZdky ogh
jgrk gS
(4) vkorZdky ogh jgrk gS rFkk ÅtkZ 4 xquk gks
tkrh gSA
Q.14 L yEckbZ dh ,d Mksjh ,d fljs ls dlh gqbZ gS rFk
Mksjh ds fLFkj fljs ls xqtjus okyh Å/okZ/kj v{k ds
2
pkjksa vksj rev/s djrh gS] fp=kkuqlkj] rc Mksjh esa
π
ruko gS&
s
–R–
(1) ML (2) 2 ML
(3) 4 ML (4) 16 ML
CAREER POINT, CP Tower, Road No.1, IPIA, Kota (Raj.), Ph: 0744-3040000 Page # 4
θ
Q.15 ,d d.k fu;r pky v ls ,d o`Ùkh; iFk esa xfreku
gSA ;fn θ dks.kh; foLFkkiu gS] rc θ = 0º ls izkjEHk
djus ij laosx esa vf/kdre rFkk U;wure ifjorZu
izkIr gksxk tc θ dk eku gS Øe'k%&
(1) 45º o 90º (2) 90º o 180º
(3) 180º o 360º (4) 90º o 270º
Q.16 ,d NksVk 'kadq ftlesa ty Hkjk gqvk gS] 4m f=kT;k
ds ,d Å/okZ/kj o`Ùk esa ?kqek;k tkrk gS rFkk ty
uhps ugha fxjrk gSA blds fy, vf/kdre ?kw.kZu
dky D;k gksuk pkfg, ?
(1) 4s (2) 2s (3) 1s (4) 6 s
Q.17 m nzO;eku dh ,d oLrq fu;r pky v ls r f=kT;k ds
,d o`Ùk esa xfr dj jgh gSA oLrq ij cy mv 2 /r gS
rFkk ;g dsUnz dh vksj funsZf'kr gSA oLrq dks o`Ùk dh
vk/kh ifjf/k ij pykus esa bl cy }kjk fd;k x;k
dk;Z D;k gS \
2
mv
(1) × πr
r
2
mv
(2)
2
r
(3) 'kwU;
πr
(4)
2
mv
L