List of top Physics Questions

A few phenomena of light are given below :
(I) Advance sunrise and delayed sunset
(II) Twinkling of stars
(III) Wavering of objects seen through a turbulent stream of hot air
(IV) Blue colour of sky
Which of the above phenomena are due to atmospheric refraction?
Bi-focal lenses are required to correct
An ideal ammeter -
When the object is placed very close to the lens, the image formed is virtual, erect and
Large number of thin strips of black paper are made on the surface of a convex lens of focal length 20 cm to catch the image of a white horse. The image will be
Arrange the following parts of the human eye in the order that light passes through them :
1. Cornea
2. Retina
3. Pupil
4. Crystalline lens
The lens formula is given by :
\[\frac{1}{f} = \frac{1}{v} - \frac{1}{u}\]
Which of the following correctly identifies each term in the formula?
Match the positions of the object (Column A) with the corresponding positions of the image formed by a convex lens (Column B).
When object moves closer to convex lens, the image formed by it shifts :
What does the magnification produced by a spherical mirror represent?
When electric current is passed, electrons move from:
What is the size of the image formed when the object is at infinity in front of a concave mirror?
If a man's face is 25 cm in front of a concave shaving mirror producing erect image of 1.5 times the size of face, focal length of the mirror should be:
The Sun is visible to us about 2 minutes before the actual sunrise and about 2 minutes after the actual sunset because of
An object is placed at 60.0 cm in front of a concave mirror of focal length 30 cm. At what distance from the mirror should a screen be placed to obtain a sharp image?
The relationship between the radius of curvature R and focal length f of a spherical mirror of small aperture could be represented as:
A child is standing in front of a magic mirror. She finds the image of her head bigger, the middle portion of her body of the same size and that of the legs smaller. The following is the order of combinations for the magic mirror from the top:
The aperture of a spherical mirror refers to:
Magnification produced by a rear view mirror fitted in vehicles:
An object placed at a distance of +15 cm is slowly moved towards the pole of a convex mirror. The image will get
A point on the principal axis of a spherical mirror where rays parallel to the principal axis after reflection meet or appear to meet is known as:
In case of a concave mirror, a ray parallel to the principal axis after reflection will
In domestic Indian house, the values of AC electrical power and frequency we receive are __________.
Which mirror is used by a dentist to examine a small cavity?
Consider the statements given below and choose the correct option :
Statement 1 : Angle of deviation produced by a prism depends on the angle of the prism.
Statement 2 : Dispersion takes place in a prism because the refractive index of the refracting medium is different for different wavelengths.