An object is placed at a distance of 10 cm from a co-axial combination of two lenses
An object is placed at a distance of 10 cm from a co-axial combination of two lenses A and B…
8 years ago
Questions
A short linear object of length L lies on the axis of a spherical mirror of focal
A short linear object of length L lies on the axis of a spherical mirror of focal length f at…
8 years ago
In a compound microscope, the focal length of the objective is 2.5 cm and of eye lens
In a compound microscope, the focal length of the objective is 2.5 cm and of eye lens is 5 cm.…
8 years ago
If the image formed by a convex mirror of focal length 30 cm is a quarter of the size
If the image formed by a convex mirror of focal length 30 cm is a quarter of the size of…
8 years ago
A concave mirror of focal length f₁ is placed at a distance d from a convex lens
A concave mirror of focal length f₁ is placed at a distance d from a convex lens of focal length…
8 years ago
A ray of light is incident at an angle of incidence i, on one face of a prism
A ray of light is incident at an angle of incidence i, on one face of a prism of angle…
8 years ago
The diameter of the eye ball of a normal eye is about 2.5 cm. The power of the eye
The diameter of the eye ball of a normal eye is about 2.5 cm. The power of the eye lens…
8 years ago
For having large magnification power of a compound microscope
For having large magnification power of a compound microscope Options (a) length of the microscope tube must be small (b)…
8 years ago
The reddish appearance of the sun at sunrise and sunset is due to
The reddish appearance of the sun at sunrise and sunset is due to Options (a) the colour of the sky…
8 years ago
For the normal eye, the cornea of eye provides a converging power of 40D
For the normal eye, the cornea of eye provides a converging power of 40D and the least converging power of…
8 years ago