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JEE MAINS PREVIOUS YEAR-JEE MAINS 2020-PHYSICS
- A bead of mass m stays at point P (a,b) on a wire bent in the shape o...
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- If speed (V),acceleration (A) and force (F) are considered as fundam...
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- Magnetic materials used for making permanent magnests (P) and magnets ...
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- When radiation of wavelength lambda is used to illuminate a metallic s...
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- A 5 mu F capacitor is charged fully by a 220 V supply. It is then disc...
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- A circular coil of radius 10 cm is placed in uniform magneic field of ...
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- A small back starts slipping down from a point B on an inclined plane ...
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- An engine takes in 5 moles of air at 20^(@)C and 1 atm, and compresses...
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- A metallic sphere cools from 50^(@)C to 40^(@)C in 300 seconds. If the...
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- A uniform magnetic field B exist in a direction perpedicuar to the...
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- The mass density of a planet of radius R varie with the distance ...
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- Two resistor 400 Omega and 800 Omega connected in series across...
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- Two source of light emit X - rays of wavelenght 1 nm and visible ...
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- A uniform rod of length 'l' is pivoted at one of itd ends on a vertica...
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- Amount of solar energy received on the earth's surface area per unit a...
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- Concentric metallic hollow spheres of radii R and 4R hold charges Q1 a...
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- A perfectily diamagnetic sphere has a small spherical cavity at its ce...
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- Hydrogen ion and singly ionized helium atom are accelerated , from res...
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- Two light waves having the same wavelength lambda in vacuum are in pha...
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- Which of the following will NOT be obsered when a multimeter ( ope...
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