1

JEE Main 2021 (Online) 18th March Morning Shift

Numerical

+4

-1

Two separate wires A and B are stretched by 2 mm and 4 mm respectively, when they are subjected to a force of 2 N. Assume that both the wires are made up of same material and the radius of wire B is 4 times that of the radius of wire A. The length of the wires A and B are in the ratio of a : b. Then a/b can be expressed as 1/x where x is _________.

Your input ____

2

JEE Main 2021 (Online) 17th March Evening Shift

Numerical

+4

-1

Suppose you have taken a dilute solution of oleic acid in such a way that its concentration becomes 0.01 cm

^{3}of oleic acid per cm^{3}of the solution. Then you make a thin film of this solution (monomolecular thickness) of area 4 cm^{2}by considering 100 spherical drops of radius $${\left( {{3 \over {40\pi }}} \right)^{{1 \over 3}}} \times {10^{ - 3}}$$ cm. Then the thickness of oleic acid layer will be x $$\times$$ 10^{$$-$$14}m. Where x is ____________.Your input ____

3

JEE Main 2021 (Online) 24th February Evening Shift

Numerical

+4

-1

A uniform metallic wire is elongated by 0.04 m when subjected to a linear force F. The elongation, if its length and diameter is doubled and subjected to the same force will be ________ cm.

Your input ____

4

JEE Main 2021 (Online) 24th February Morning Shift

Numerical

+4

-1

A hydraulic press can lift 100 kg when a mass 'm' is placed on the smaller piston. It can lift ___________ kg when the diameter of the larger piston is increased by 4 times and that of the smaller piston is decreased by 4 times keeping the same mass 'm' on the smaller piston.

Your input ____

Questions Asked from Properties of Matter (Numerical)

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