1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
A transverse wave is represented by
y = Asin($$\omega $$t $$-$$ kx). For what value of the wavelength is the wave velocity equal to the maximum particle velocity ?
A
$$\pi A/2$$
B
$$\pi A$$
C
2$$\pi A$$
D
$$A$$
2
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
A tuning fork of frequency 512 Hz makes 4 beats per second with the vibrating string of a piano. The beat frequency decreases to 2 beats per sec when the tension in the piano string is slightly increased. The frequency of the piano string before increasing the tension was
A
510 Hz
B
514 Hz
C
516 Hz
D
508 Hz
3
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Two positives ions, each carrying a charge q, are separated by a distance d. If F is the force of repulsion between the ions, the number of electrons missing from each ion will be (e being the charge on an electron)
A
$${{4\pi {\varepsilon _0}F{d^2}} \over {{e^2}}}$$
B
$$\sqrt {{{4\pi {\varepsilon _0}F{e^2}} \over {{d^2}}}} $$
C
$$\sqrt {{{4\pi {\varepsilon _0}F{d^2}} \over {{e^2}}}} $$
D
$${{4\pi {\varepsilon _0}F{d^2}} \over {{q^2}}}$$
4
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
A square surface of side L meter in the plane of the paper is placed in a uniform electric field $$E$$(volt/m) acting along the same plane at an angle $$\theta $$ with the horizontal side of the square as shown in figurre.

AIPMT 2010 Prelims Physics - Electrostatics Question 44 English
The electric flux linked to the surface, in units of volt m is
A
EL2
B
EL2cos$$\theta $$
C
EL2sin$$\theta $$
D
zero
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