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Assertion: A single lens produces a coloured image of an object illuminated by white light. Reason: The refractive index of the material of lens is different for different wavelengths of light. Assertion: A single lens produces a coloured image of an object illuminated by white light. Reason: The refractive index of the material of lens [...]

If focal length of human eye is 2cm, then find the focal length of contact lens, such that a combined focus system of focal length 2.5cm is obtained after using contact lens. If focal length of human eye is 2cm such that a combined focus system of focal length 2.5cm is obtained after using contact [...]

Show that for a particle in linear SHM the average kinetic energy over a period of oscillation equals the average potential energy over the same period. Show that for a particle in linear SHM the average kinetic energy over a period of oscillation equals the average potential energy over the same period. November 13, 2020 [...]

K, Ca and Li metals may be arranged in the decreasing order of their standard electrode potentials as (a) K, Ca, Li (b) Li, K, Ca (c) Li, Ca, K Ca Ca (c) Li Ca and Li metals may be arranged in the decreasing order of their standard electrode potentials as (a) K K Li [...]

Which is an ore of potassium (a) Carnellite (b) Cryolite (c) Bauxite (d) Dolomite Which is an ore of potassium (a) Carnellite (b) Cryolite (c) Bauxite (d) Dolomite November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

The metal which reacts with water at room temperature is (a) Copper (b) Iron (c) Magnesium (d) Sodium The metal which reacts with water at room temperature is (a) Copper (b) Iron (c) Magnesium (d) Sodium November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

A substance X is compound of an element of group IA. The substance X gives a violet colour in flame test, X is (a) LiCl (b) NaCl (c) KCl (d) None A substance X is compound of an element of group IA. The substance X gives a violet colour in flame test X is (a) [...]

On heating anhydrous Na2CO3, …………. is evolved (a) CO2 (b) Water vapour (c) CO (d) No gas ............. is evolved (a) CO2 (b) Water vapour (c) CO (d) No gas On heating anhydrous Na2CO3 November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Three voltmeters are connected as shown A potential difference has been applied between A and B. On closing the switch S, readings of voltmeters ? readings of voltmeters ? Three voltmeters are connected as shown A potential difference has been applied between A and B. On closing the switch S November 13, 2020 Category: Uncategorised [...]

You are riding in an automobile of mass 3000 kg. Assuming that you are examining the oscillation characteristics of its suspension system. The suspension sags 15 cm when the entire automobile is places on it. Also the amplitude of oscillation decreases by 50% during one complete oscillation. Estimate the values of (a) the spring constant [...]