Exams
Subjects
Classes
Home
Exams
Physics
Ray optics and optical instruments
a ray of light is inciden...
Question:
medium
A ray of light is incident normally on one refracting surface of an equilateral prism. If the refractive index of the material of the prism is 1.5, then
Show Hint
Normal incidence → no deviation; check TIR using critical angle.
KEAM - 2015
KEAM
Updated On:
May 8, 2026
the emergent ray is deviated by \(30^\circ\)
the emergent ray is deviated by \(60^\circ\)
the emergent ray just graces the second reflecting surface
the ray undergoes total internal reflection at second refracting surface
the ray emerges normally from the second refracting surface
Show Solution
The Correct Option is
D
Solution and Explanation
Download Solution in PDF
Was this answer helpful?
0
Top Questions on Ray optics and optical instruments
A light ray passes from air (refractive index = 1) into water (refractive index = 1.33). If the angle of incidence is 30°, what is the angle of refraction in water?
MHT CET - 2025
Physics
Ray optics and optical instruments
View Solution
A convex lens has a focal length of 20 cm. An object is placed 30 cm in front of the lens. What is the image distance from the lens?
MHT CET - 2025
Physics
Ray optics and optical instruments
View Solution
A lens has focal length $ f = 20 \, \text{cm} $. What is the power of the lens?
MHT CET - 2025
Physics
Ray optics and optical instruments
View Solution
An object is placed at a distance of 10 cm from a concave mirror of focal length 15 cm. What is the image distance?
MHT CET - 2025
Physics
Ray optics and optical instruments
View Solution
Want to practice more? Try solving extra ecology questions today
View All Questions
Questions Asked in KEAM exam
The dimension of mutual inductance is (Denote dimension of current as A)
KEAM - 2026
Electromagnetism
View Solution
A pure inductor of inductance \( 0.1 \, \text{H} \) is connected to an AC source (of rms voltage 220 V and angular frequency 300 Hz). The rms current is
KEAM - 2026
Magnetic Flux
View Solution
An object having a velocity of 5 m/s is accelerated at the rate 2 m/s\(^2\) for 6s. Find the distance travelled during the period of acceleration.
KEAM - 2026
Significant figures and Decimal Places
View Solution
A vehicle moving at 36 km/hr is to be stopped by applying brakes in the next 5 m. If the vehicle weighs 2000 kg, determine the average force that must be applied on it.
KEAM - 2026
Electron Emission
View Solution
Two masses connected in series with two massless strings are hanging from a support as shown in the figure. Find the tension in the upper string.
KEAM - 2026
Electric Potential and Electric Potential Energy
View Solution