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qUESTIONS

MCQs-PYQs-12th-jee

Time period of a freely suspended magnet does not depend upon

MCQs-PYQs-12th-jee

Two small bar magnets are placed in a line at certain distance d apart. If length of each magnet is negligible compared to d, the force between them will be inversely proportional to

MCQs-PYQs-12th-jee

A uniform magnetic field parallel to the plane of the paper exists in space initially directed from left to right. When a bar of soft iron is placed in the field parallel to it, the lines of force passing through it will be represented by

MCQs-PYQs-12th-jee

Magnetic lines of force.

MCQs-PYQs-12th-jee

Which of the following is the most suitable material for making permanent magnet.

Keeping dissimilar poles of two magnets of equal pole strength and length same side, their time period will be.

MCQs-PYQs-12th-jee

Relation between critical angles of water and glass is

MCQs-PYQs-12th-jee

Which of the following is not due to total internal reflection

MCQs-PYQs-12th-jee

If the critical angle for total internal reflection from a medium to vacuum is 30°, the velocity of light in the medium is

MCQs-PYQs-12th-jee

A microscope is focused on a mark on a piece of paper and then a slab of glass of thickness 3 cm and refractive index 1.5 is placed over the mark. How should be microscope moved to get the mark in focus again

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