1
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Which one of the following statements is true ?
A
both light and sound waves can travel in vaccum
B
both light and sound waves in air are transverse
C
The second waves in air are longitudinal while the light waves are transverse
D
both light and sound waves in air are
2
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
A parallel plate air capacitor is charged to a potential difference of V volts. After disconnecting the charging battery the distance between the plates of the capacitor is increased using an insulting handle. As a result the potential difference between the plates
A
increases
B
decreases
C
does not charge
D
becomes zero
3
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
An electric dipole of moment $$\overrightarrow p $$ is lying along a uniform electric field $$\overrightarrow E $$. The work done in rotating the dipole by 90o is
A
pE
B
$$\sqrt 2 pE$$
C
pE/2
D
2pE
4
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
A square surface of side L metres is in the plane of the paper. A uniform electric field $$\overrightarrow E $$ (volt/m), also in the plane of the paper is limited only to the lower half of the square surface (see figure). The electric flux in SI inits associated with the surface is

AIPMT 2006 Physics - Electrostatics Question 34 English
A
EL2
B
EL2/2$$\varepsilon $$0
C
EL2/2
D
zero
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