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A piece of conducting wire of resistance R is cut into 2n equal parts. Half the parts are connected in series to form a bundle and remaining half in parallel to form another bundle. These bundles are then connected to give the maximum resistance. The maximum resistance of the combination is The current enters at [...]

Light of wavelength 5000 A˚ is incident normally on a slit of width 2.5×10^−4cm. The angular position of second minimum from the central maximum is Light of wavelength 5000 A˚ is incident normally on a slit of width 2.5×10^−4cm. The angular position of second minimum from the central maximum is November 11, 2020 Category: Chapter [...]

Magnetic separation is used for increasing concentration of the following (a) Horn silver (b) Calcite (c) Haematite (d) Magnesite Magnetic separation is used for increasing concentration of the following (a) Horn silver (b) Calcite (c) Haematite (d) Magnesite November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

For a diffraction from a single slit, the intensity of the central point is: For a diffraction from a single slit the intensity of the central point is: November 11, 2020 Category: Chapter 10 - Wave Optics , MTG NEET Physics , Part 2 ,

Cassiterite is concentrated by (a) Levigation (b) Electromagnetic separation (c) Floatation (d) Liquifaction Cassiterite is concentrated by (a) Levigation (b) Electromagnetic separation (c) Floatation (d) Liquifaction November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

In the given circuit ( figure ) , the potential difference across the capacitor is 12 V . Each resistance is of 3 ohm. Thre cell is ideal . The emf of the cell is In the given circuit ( figure ) the potential difference across the capacitor is 12 V . Each resistance is [...]

The substance added in water in the froth floatation process is (a) Olive oil (b) pine oil (c) Coconut oil (d) None of the above The substance added in water in the froth floatation process is (a) Olive oil (b) pine oil (c) Coconut oil (d) None of the above November 11, 2020 Category: Uncategorised [...]

When an object is viewed with a light of wavelength 6000 A˚ under a microscope, its resolving power is 10^4. The resolving power of the microscope when the same object is viewed with a light of wavelength 4000 A˚, is: is its resolving power is 10^4. The resolving power of the microscope when the same [...]

Difference in density is the basis of (a) Ultrafiltration (b) Molecular sieving (c) Gravity separation (d) Molecular attraction Difference in density is the basis of (a) Ultrafiltration (b) Molecular sieving (c) Gravity separation (d) Molecular attraction November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

In extraction of copper, we use (a) Cu2S (b) Pyrites (c) Silver argentocyanide (d) CuFeS2 In extraction of copper we use (a) Cu2S (b) Pyrites (c) Silver argentocyanide (d) CuFeS2 November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,