Answer available
Class 12 · Physics · Ray Optics and Optical Instruments
An object is placed 15 cm from a convex lens of focal length 10 cm. Find the position and magnification of the image.
3 marksMediumNumerical
Class 12 · ICSE · Physics
Ray Optics and Optical Instruments
Reflection and refraction at spherical surfaces, the lens maker's formula, prisms, and the microscope and telescope.
- Questions
- 6
- PYQs
- 0
- Topics
- 0
Syllabus mapping: ISC syllabus (CISCE)
Questions
6 questions in this chapter.
- Answer available
Class 12 · Physics · Ray Optics and Optical Instruments
A prism of refracting angle 60° gives a minimum deviation of 30°. Find the refractive index of its material.
3 marksMediumNumerical
- Answer available
Class 12 · Physics · Ray Optics and Optical Instruments
A telescope has an objective of focal length 100 cm and an eyepiece of focal length 5 cm. Find its magnifying power and the length of the tube in normal adjustment.
3 marksMediumNumerical
- Answer available
Class 12 · Physics · Ray Optics and Optical Instruments
Distinguish between a compound microscope and an astronomical telescope in terms of the focal lengths used.
3 marksMediumShort answer
- Answer available
Class 12 · Physics · Ray Optics and Optical Instruments
A concave mirror of focal length 15 cm forms an image twice the size of the object and real. Find the object distance.
3 marksMediumNumerical
- Answer available
Class 12 · Physics · Ray Optics and Optical Instruments
State the lens maker's formula and explain each symbol.
3 marksMediumShort answer