JEE Main 2024 Question Paper (08-Apr-2024) (Shift 2)

Question 1

A block is simply released from the top of an inclined plane as shown in the figure above. The maximum compression in the spring when the block hits the spring is :

Accepted Answer

2m

Answer

$\sqrt{6}$ m

Answer

1m

Answer

$\sqrt{5} \, m$

Question 2

In a hypothetical fission reaction ${}_{92}X^{236} 	o {}_{56}Y^{141} + {}_{36}Z^{92} + 3R$ The identity of emitted particles (R) is :

Accepted Answer

Neutron

Answer

Proton

Answer

Electron

Answer

$ \gamma $-radiations

Question 3

If $ \varepsilon_0 $ is the permittivity of free space and $ E $ is the electric field, then $ \varepsilon_0 E^{2} $ has the dimensions :

Accepted Answer

[M L$^{-1}$ T$^{-2}$]

Answer

[M$^{o}$L$^{-2}$T A]

Answer

[M$^{-1}$L$^{-3}$T$^{4}$A$^{2}$]

Answer

[M L$^{2}$ T$^{-2}$]

Question 4

The position of the image formed by the combination of lenses is :

Accepted Answer

30 cm (right of third lens)

Answer

15 cm (left of second lens)

Answer

30 cm (left of third lens)

Answer

15 cm (right of second lens)

Question 5

A plane progressive wave is given by $ y = 2 \cos 2 \pi (330 t - x) $ m. The frequency of the wave is :

Accepted Answer

330 Hz

Answer

165 Hz

Answer

660 Hz

Answer

340 Hz