1
JEE Main 2024 (Online) 9th April Evening Shift
MCQ (Single Correct Answer)
+4
-1

The following figure represents two biconvex lenses $$L_1$$ and $$L_2$$ having focal length $$10 \mathrm{~cm}$$ and $$15 \mathrm{~cm}$$ respectively. The distance between $$L_1$$ & $$L_2$$ is :

JEE Main 2024 (Online) 9th April Evening Shift Physics - Geometrical Optics Question 9 English

A
25 cm
B
35 cm
C
10 cm
D
15 cm
2
JEE Main 2024 (Online) 9th April Morning Shift
MCQ (Single Correct Answer)
+4
-1

Given below are two statements :

Statement (I) : When an object is placed at the centre of curvature of a concave lens, image is formed at the centre of curvature of the lens on the other side.

Statement (II) : Concave lens always forms a virtual and erect image.

In the light of the above statements, choose the correct answer from the options given below :

A
Statement I is false but Statement II is true
B
Both Statement I and Statement II are false
C
Both Statement I and Statement II are true
D
Statement I is true but Statement II is false
3
JEE Main 2024 (Online) 8th April Evening Shift
MCQ (Single Correct Answer)
+4
-1

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

JEE Main 2024 (Online) 8th April Evening Shift Physics - Geometrical Optics Question 4 English

A
$$15 \mathrm{~cm}$$ (right of second lens)
B
$$30 \mathrm{~cm}$$ (right of third lens)
C
$$30 \mathrm{~cm}$$ (left of third lens)
D
$$15 \mathrm{~cm}$$ (left of second lens)
4
JEE Main 2024 (Online) 8th April Morning Shift
MCQ (Single Correct Answer)
+4
-1

Critical angle of incidence for a pair of optical media is $$45^{\circ}$$. The refractive indices of first and second media are in the ratio:

A
$$1: 2$$
B
$$1: \sqrt{2}$$
C
$$2: 1$$
D
$$\sqrt{2}: 1$$
JEE Main Subjects
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