1
JEE Main 2023 (Online) 30th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Choose the correct relationship between Poisson ratio $$(\sigma)$$, bulk modulus (K) and modulus of rigidity $$(\eta)$$ of a given solid object :

A
$$\sigma=\frac{3 K+2 \eta}{6 K+2 \eta}$$
B
$$\sigma=\frac{3 K-2 \eta}{6 K+2 \eta}$$
C
$$\sigma=\frac{6 K+2 \eta}{3 K-2 \eta}$$
D
$$\sigma=\frac{6 K-2 \eta}{3 K-2 \eta}$$
2
JEE Main 2023 (Online) 30th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The pressure $$(\mathrm{P})$$ and temperature ($$\mathrm{T})$$ relationship of an ideal gas obeys the equation $$\mathrm{PT}^{2}=$$ constant. The volume expansion coefficient of the gas will be :

A
$$3 T^{2}$$
B
$$\frac{3}{T^2}$$
C
$$\frac{3}{T^3}$$
D
$$\frac{3}{T}$$
3
JEE Main 2023 (Online) 30th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The output waveform of the given logical circuit for the following inputs A and B as shown below, is :

JEE Main 2023 (Online) 30th January Morning Shift Physics - Semiconductor Question 31 English

A
JEE Main 2023 (Online) 30th January Morning Shift Physics - Semiconductor Question 31 English Option 1
B
JEE Main 2023 (Online) 30th January Morning Shift Physics - Semiconductor Question 31 English Option 2
C
JEE Main 2023 (Online) 30th January Morning Shift Physics - Semiconductor Question 31 English Option 3
D
JEE Main 2023 (Online) 30th January Morning Shift Physics - Semiconductor Question 31 English Option 4
4
JEE Main 2023 (Online) 30th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

As per the given figure, a small ball P slides down the quadrant of a circle and hits the other ball Q of equal mass which is initially at rest. Neglecting the effect of friction and assume the collision to be elastic, the velocity of ball Q after collision will be :

(g = 10 m/s2)

JEE Main 2023 (Online) 30th January Morning Shift Physics - Center of Mass and Collision Question 15 English

A
0.25 m/s
B
4 m/s
C
0
D
2 m/s
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