1
COMEDK 2024 Evening Shift
MCQ (Single Correct Answer)
+1
-0

For a paramagnetic material, the dependence of the magnetic susceptibility $$\chi$$ on the absolute temperature is given as

A
Independent of $$\mathrm{T}$$
B
$$ X \propto \frac{1}{T^2} $$
C
$$ X \propto T $$
D
$$ X \propto\frac{1}{T} $$
2
COMEDK 2024 Evening Shift
MCQ (Single Correct Answer)
+1
-0

The magnetic flux linked with a coil is given by the equation: $$\phi=8 t^2+t+10$$. The e.m.f. induced in the coil in the $$3^{\text {rd }}$$ second will be

A
49 V
B
33 V
C
16 V
D
20 V
3
COMEDK 2024 Evening Shift
MCQ (Single Correct Answer)
+1
-0

A cylinder of fixed capacity 44.81 contains hydrogen gas at STP. What is the amount of heat needed to raise the temperature of the gas in the cylinder by $$20^{\circ} \mathrm{C}$$ ? ($$R=8.31 \mathrm{~J} \mathrm{~mol}^{-1} \mathrm{~K}^{-1}$$)

A
541 J
B
374 J
C
831 J
D
743 J
4
COMEDK 2024 Evening Shift
MCQ (Single Correct Answer)
+1
-0

A hollow prism is filled with water and placed in air. It will deviate the incident rays

A
Towards or away from the base
B
Away from the base
C
Parallel to the base
D
Towards the base
EXAM MAP