Mechanics
Vector Algebra
MCQ (Single Correct Answer)Circular Motion
MCQ (Single Correct Answer)Simple Harmonic Motion
MCQ (Single Correct Answer)Gravitation
MCQ (Single Correct Answer)Electricity
Electromagnetic Waves
MCQ (Multiple Correct Answer)Optics
Wave Optics
MCQ (Single Correct Answer)Modern Physics
Electronic Devices
MCQ (Single Correct Answer)1
WB JEE 2024
MCQ (Single Correct Answer)
+1
-0.25
Longitudinal waves cannot
2
WB JEE 2023
MCQ (Single Correct Answer)
+1
-0.25
The displacement of a plane progressive wave in a medium, travelling towards positive x-axis with velocity 4 m/s at t = 0 is given by $$y = 3\sin 2\pi \left( { - {x \over 3}} \right)$$. Then the expression for the displacement at a later time t = 4 sec will be
3
WB JEE 2016
MCQ (Single Correct Answer)
+1
-0.25
The velocity of sound in air at 20$$^\circ$$C and 1 atm pressure is 344.2 m/s. At 40$$^\circ$$C and 2 atm pressure, the velocity of sound in air is approximately
4
WB JEE 2016
MCQ (Single Correct Answer)
+1
-0.25
For air at room temperature, the atmospheric pressure is 1.0 $$ \times $$ 105 Nm$$-$$2 and density of air is 1.2 kgm$$-$$3. For a tube of length 1.0 m, closed at one end, the lowest frequency generated is 84 Hz. The value of $$\gamma$$ (ratio of two specific heats) for air is
Questions Asked from MCQ (Single Correct Answer)
WB JEE Subjects
Physics
Mechanics
Electricity
Chemistry
Physical Chemistry
Inorganic Chemistry
Mathematics
Algebra
Trigonometry
Coordinate Geometry