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Unpolarized light is incident on a plane sheet of water surface. The angle of incidence for which the reflected and refracted rays are perpendicular to each other is (μ of water = 4/3 ) Unpolarized light is incident on a plane sheet of water surface. The angle of incidence for which the reflected and refracted [...]

N identical calls are cannected to from a battery. When the terminals of the battery are joined directly. When the terminals of the battery are joined directly (short – ciruited), current I flows in the circuit. To obtain the maximum value of I, current I flows in the circuit. To obtain the maximum value of [...]

n identical cells, each of emf E and internal resistance r, are joined in series to form a closed circuit. One of the cell A is joined with reversed polarity. The potential difference across each cell except A, is are joined in series to form a closed circuit. One of the cell A is joined [...]

Unpolarized light falls on two polarizing sheets placed one on top of the other. If the intensity of transmitted light is one fourth of the incident light, the angle between them is the angle between them is Unpolarized light falls on two polarizing sheets placed one on top of the other. If the intensity of [...]

In question 9 , the potential difference across A is (1) 2e/n (2) e [1 – 1/n ] (3) 2e [1 – 1/n ] (4) e[n-2/n ] In question 9 the potential difference across A is (1) 2e/n (2) e [1 - 1/n ] (3) 2e [1 - 1/n ] (4) e[n-2/n ] November 11, [...]

A beam of unpolarised light of intensity I0 ​ is passed through a polaroid A and then through another polaroid B which is oriented so that its principal plane makes an angle of 60^o relative to that of A. The intensity of the emergent light is: A parallel beam of light of wavelength 6000 A^0 [...]

“Metals are usually not found as nitrates in their ores” Out of the following two (A and B) reasons which is / are true for the above observation "Metals are usually not found as nitrates in their ores" Out of the following two (A and B) reasons which is / are true for the above [...]

Which one of following is a mineral of irons (a) Malachite (b) Cassiterite (c) Pyrolusite (d) Magnetite Which one of following is a mineral of irons (a) Malachite (b) Cassiterite (c) Pyrolusite (d) Magnetite November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

The equivalent resistance between A and B in the network in figure is The equivalent resistance between A and B in the network in figure is November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

The most abundant metal in the earth crust is (a) Na (b) Mg (c) Al (d) Fe The most abundant metal in the earth crust is (a) Na (b) Mg (c) Al (d) Fe November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,