1
JEE Main 2022 (Online) 26th June Morning Shift
Numerical
+4
-1
Change Language

A light ray is incident, at an incident angle $$\theta$$1, on the system of tow plane mirrors M1 and M2 having an inclination angle 75$$^\circ$$ between them (as shown in figure). After reflecting from mirror M1 it gets reflected back by the mirror M2 with an angle of reflection 30$$^\circ$$. The total deviation of the ray will be _____________ degree.

JEE Main 2022 (Online) 26th June Morning Shift Physics - Ray & Wave Optics Question 62 English

Your input ____
2
JEE Main 2022 (Online) 24th June Evening Shift
Numerical
+4
-1
Change Language

A ray of light is incident at an angle of incidence 60$$^\circ$$ on the glass slab of refractive index $$\sqrt3$$. After refraction, the light ray emerges out from other parallel faces and lateral shift between incident ray and emergent ray is 4$$\sqrt3$$ cm. The thickness of the glass slab is __________ cm.

Your input ____
3
JEE Main 2022 (Online) 24th June Morning Shift
Numerical
+4
-1
Change Language

Two identical thin biconvex lens of focal length 15 cm and refractive index 1.5 are in contact with each other. The space between the lenses is filled with a liquid of refractive index 1.25. The focal length of the combination is __________ cm.

Your input ____
4
JEE Main 2022 (Online) 24th June Morning Shift
Numerical
+4
-1
Change Language

Sodium light of wavelengths 650 nm and 655 nm is used to study diffraction at a single slit of aperture 0.5 mm. The distance between the slit and the screen is 2.0 m. The separation between the positions of the first maxima of diffraction pattern obtained in the two cases is ___________ $$\times$$ 10$$-$$5 m.

Your input ____
JEE Main Subjects
EXAM MAP
Joint Entrance Examination
JEE MainJEE AdvancedWB JEE
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Medical
NEET