Electricity
Current Electricity
MCQ (Single Correct Answer)
Moving Charges and Magnetism
MCQ (Single Correct Answer)
Magnetism and Matter
MCQ (Single Correct Answer)
Electromagnetic Induction
MCQ (Single Correct Answer)
Electromagnetic Waves
MCQ (Single Correct Answer)
Modern Physics
Semiconductor Electronics
MCQ (Single Correct Answer)
1
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1

A container of volume $$200 \mathrm{~cm}^3$$ contains 0.2 mole of hydrogen gas and 0.3 mole of argon gas. The pressure of the system at temperature $$200 \mathrm{~K}$$ ($$\mathrm{R}=8.3 \mathrm{JK}^{-1} \mathrm{~mol}^{-1}$$) will be :-

A
$$6.15 \times 10^5 \mathrm{~Pa}$$
B
$$6.15 \times 10^4 \mathrm{~Pa}$$
C
$$4.15 \times 10^5 \mathrm{~Pa}$$
D
$$4.15 \times 10^6 \mathrm{~Pa}$$
2
NEET 2023
MCQ (Single Correct Answer)
+4
-1

The temperature of a gas is $$-50^{\circ} \mathrm{C}$$. To what temperature the gas should be heated so that the rms speed is increased by $$3$$ times?

A
$$3295^{\circ} \mathrm{C}$$
B
$$3097 \mathrm{~K}$$
C
$$223 \mathrm{~K}$$
D
$$669^{\circ} \mathrm{C}$$
3
NEET 2023
MCQ (Single Correct Answer)
+4
-1

A Carnot engine has an efficiency of $$50 \%$$ when its source is at a temperature $$327^{\circ} \mathrm{C}$$. The temperature of the sink is :-

A
$$15^{\circ} \mathrm{C}$$
B
$$100^{\circ} \mathrm{C}$$
C
$$200^{\circ} \mathrm{C}$$
D
$$27^{\circ} \mathrm{C}$$
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

An ideal gas follows a process described by the equation $$P{V^2} = C$$ from the initial $$({P_1},\,{V_1},\,{T_1})$$ to final $$({P_2},\,{V_2},\,{T_2})$$ thermodynamic states, where C is a constant. Then

A
If $${P_1} > {P_2}$$ then $${V_1} > {V_2}$$
B
If $${P_1} > {P_2}$$ then $${T_1} < {T_2}$$
C
If $${V_2} > {V_1}$$ then $${T_2} > {T_1}$$
D
If $${V_2} > {V_1}$$ then $${T_2} < {T_1}$$
NEET Subjects