1
JEE Main 2024 (Online) 5th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A man carrying a monkey on his shoulder does cycling smoothly on a circular track of radius $$9 \mathrm{~m}$$ and completes 120 resolutions in 3 minutes. The magnitude of centripetal acceleration of monkey is (in $$\mathrm{m} / \mathrm{s}^2$$ ) :

A
$$4 \pi^2 \mathrm{~ms}^{-2}$$
B
$$16 \pi^2 \mathrm{~ms}^{-2}$$
C
$$57600 \pi^2 \mathrm{~ms}^{-2}$$
D
Zero
2
JEE Main 2024 (Online) 5th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A series LCR circuit is subjected to an ac signal of $$200 \mathrm{~V}, 50 \mathrm{~Hz}$$. If the voltage across the inductor $$(\mathrm{L}=10 \mathrm{~mH})$$ is $$31.4 \mathrm{~V}$$, then the current in this circuit is _______.

A
10 A
B
10 mA
C
68 A
D
63 A
3
JEE Main 2024 (Online) 5th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following statement is not true about stopping potential $$(\mathrm{V}_0)$$ ?

A
It depends upon frequency of the incident light.
B
It is $$1 / \mathrm{e}$$ times the maximum kinetic energy of electrons emitted.
C
It increases with increase in intensity of the incident light.
D
It depends on the nature of emitter material.
4
JEE Main 2024 (Online) 5th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements :

Statement I : When the white light passed through a prism, the red light bends lesser than yellow and violet.

Statement II : The refractive indices are different for different wavelengths in dispersive medium. In the light of the above statements, chose the correct answer from the options given below :

A
Both Statement I and Statement II are true
B
Statement I is true but Statement II is false
C
Statement I is false but Statement II is true
D
Both Statement I and Statement II are false
JEE Main Papers
2023
2021
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
CBSE
Class 12