1
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Change Language
The refracting angle of a prism is A, and refractive index of the material of the prism is cot (A/2). The angle of minimum deviation is
A
90o $$-$$ A
B
180o + 2A
C
180o $$-$$ 3A
D
180o $$-$$ 2A
2
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Change Language
One mole of an ideal diatomic gas undergoes a transition from A to B along a path AB as shown in the figure.

AIPMT 2015 Cancelled Paper Physics - Heat and Thermodynamics Question 71 English

The change in internal energy of the gas during the transition is
A
20 J
B
$$-$$ 12 kJ
C
20 kJ
D
$$-$$ 20 kJ
3
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Change Language
For a parallel beam of monochromatic light of wavelength '$$\lambda $$' , diffraction is produced by a single slit whose width 'a' is of the order of the wavelength of the light. If 'D' is the distance of the screen from the slit, the wifth of the central maxima will be
A
$${{Da} \over \lambda }$$
B
$${{2Da} \over \lambda }$$
C
$${{2D\lambda } \over a}$$
D
$${{D\lambda } \over a}$$
4
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Change Language
A radiation of energy 'E' falls normally on a perfectly reflecting surface. The momentum transferred to the surface is (C = Velocity of light)
A
$${{2E} \over {{C^2}}}$$
B
$${E \over {{C^2}}}$$
C
$${E \over C}$$
D
$${{2E} \over C}$$