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CBSE Class 10 Science
Spherical mirrors, lenses, lens formula, magnification, refractive index.
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Open NCERT chapter ↗5 multiple-choice questions. Pick an option — instant feedback + one-line explanation. Answers don't leave your browser.
1A concave mirror produces a virtual, erect and magnified image when the object is placed:
2The refractive index of a medium with respect to vacuum is:
3The power of a lens is +2 D. Its focal length is:
4The image formed by a convex mirror is always:
5Snell's law states that:
Answer all 5 to submit.
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