When a ray of light enters a glass slab, then
- Aits frequency and velocity change
- Bonly frequency changes
- Cits frequency and wavelength change
- ✓its frequency does not change
Answer: D.
View full solution →113 questions across 11 question groups — pick any mix to generate a Physics paper with step-by-step answer keys.
Choose the most appropriate answer from the given alternatives and write the option code and the corresponding answer.
50 Q→02Fill In The Blanks.
4 Q→03[ 2 Marks Questions ]
25 Q→04Assertion and reason type
4 Q→05Numerical Problems
11 Q→06[ 5 Marks Questions ]
5 Q→07Choose the Incorrect pair.
2 Q→08Choose the correct Statement
3 Q→09Choose the Odd man out.
4 Q→10Choose the correct pair
2 Q→11Choose the incorrect Statement.
3 Q→One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Answer: D.
View full solution →Answer: A.
View full solution →Answer: A.
View full solution →Answer: A.
View full solution →Answer: B.
View full solution →| Column I | Column - II |
| i) Reflection | (1) Change in the path of light without a change in medium |
| ii) Refraction | (2) mu=sin i//sin r |
| iii) Interference | (3) Fibre-optic communication |
| iv) Polarisation | (4) used for reducing glare. |
| Column I | Column - II |
| i) Interference of light | (1) Coherent source |
| ii) Brewster's law | (2)μ = sin i/ sin r |
| iii) Diffraction of light | (3) Obstacle // aperture size =1 |
| iv) Law of Malus | (4) $I=I_0 \cos ^2 \theta$ |
a) Sunglass
b) Holography
c) Spectrometer
d) 3D picture
a) Canada balsam
b) ordinary ray
c) extraordinary ray
d) grating
a) interference
b) diffraction
c) reflection
d) Photo electric effect
| Column I | Column - II |
| i) Nice prism | (1) Cheap in cost due to availability of flawless calcite crystal |
| ii)Sky appear blue colour | (2) dispersion |
| iii) Polarisation | (3) Sunglass |
| iv) diamond | (4) total internal reflection |
| Column I | Column - II |
| i) Terrestrial telescope | (1) final image is erected |
| ii) Galileo's telescope | (2) final image is inverted |
| iii) Reflecting telescope | (3) Use concave lens for the eyepiece to obtain an erected image |
| iv) Astronomical telescope | (4) No chromatic observation |
Which of the following statement is incorrect?
The resolving power of telescope is limited by
I. focal length of objective lens
II. the diameter of objective lens
III. the wavelength of light used
IV. the thickness of objective lens
Which of the following statement is incorrect?
I. A Polaroid consist of long-chain molecules aligned in a particular direction.
II. Electric vectors along the direction of the aligned molecule in a polaroid gets absorbed.
III. An unpolarized light wave is incident on polaroid. then it will not get linearly polarised.
Which of the following statement is incorrect?
I. Light diverging from a point source is spherical.
II. Light emerging out of a convex lens when a point source is placed at its focus is plane..
III. the portion of wavefront of light from a distant star intercepted by the earth is plane.
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