1
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
An electron moves on a straight line path XY as shown. The abcd is a coil adjacent to the path of electron. What will be the direction of current, if any, induced in the coil ?

AIPMT 2015 Physics - Electromagnetic Induction Question 23 English
A
The current will reverse its direction as the electron goes past the coil
B
No current induced
C
abcd
D
adcb
2
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
The energy of the em waves is of the order of 15 keV. To which part of the spectrum does it belong ?
A
Ultraviolet rays
B
$$\gamma - rays$$
C
X-rays
D
Infra-red rays
3
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
At the first minimum adjacent to the central maximum of a single-slit diffraction pattern, the phase difference between the Huygen's wavelet from the edge of the slit and the wavelet from the midpoint of the slit is
A
$$\pi $$ radian
B
$${\pi \over 8}$$ radian
C
$${\pi \over 4}$$ radian
D
$${\pi \over 2}$$ radian
4
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
A beam of light consisting of red, green and blue colours is incifent on a right angled prism. The refractive index of the material of the prism for the above red, green and blue wavelengths are 1.39, 1.44 and 1.47 respectively.

AIPMT 2015 Physics - Geometrical Optics Question 65 English
The prism will
A
not separate the three colours at all
B
separate the red colour part from the green and blue colours
C
separate the blue colour part from the red and green colours
D
separate all the three colours from one another
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