18 Questions
What is responsible for the reddish appearance of the sun at sunrise and sunset?
Scattering of light
What causes the blue color of the sky?
Scattering of light
What is the main concept behind microscopes and astronomical telescopes?
Magnification power
What phenomenon is used to find the refractive index of a material?
Refraction of light
What is the reason behind the reddish appearance of the sun at sunrise and sunset?
Scattering of light
What is the effect that causes objects to appear larger when viewed through a microscope or telescope?
Magnification
What is the phenomenon observed in Young's double slit experiment?
Interference
What is the effect of increasing the distance between the slits in Young's double slit experiment?
Increase in fringe width
In diffraction due to a single slit, what happens to the central maximum width as the slit width decreases?
Decreases
How does a microscope differ from a telescope?
A telescope produces magnified virtual images, while a microscope produces real images.
What is the purpose of using a lens in a telescope?
To form an image at infinity
How does the number of lenses affect the magnification in a telescope?
Number of lenses and magnification are unrelated
What phenomenon is responsible for the width of the central maximum in diffraction due to a single slit?
Diffraction of light waves
In wave optics, which principle is attributed to Huygen?
Huygen's Principle
What is the primary function of a plane polarised light in optical devices?
Reducing glare and reflections
What property of light did the Photoelectric Effect experiment confirm?
Particle nature of light
What model of the atom introduced energy levels and explained the hydrogen spectrum?
Bohr model
What experiment by Davisson and Germer confirmed the wave nature of particles?
Electron diffraction experiment
This quiz covers topics like the scattering of light, human eye anatomy, microscope and telescope functioning, correction of eye defects using lenses, and the concept of photoelectric effect. Test your knowledge on these fundamental concepts in physics.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
