Question Answers

In the double silt experiment the screen is placed 1.25 m from the silt when the apparatus is immersed in water (uw = 4/3), the angular width of a fridge is found to be 0.2 degree. When the experiment is performed in air with same set up, the angular width of the fridge is In [...]

The chief impurity present in red bauxite is (a) SiO2 (b) Fe2O3 (c) K2SO4 (d) NaF The chief impurity present in red bauxite is (a) SiO2 (b) Fe2O3 (c) K2SO4 (d) NaF November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Formula of Feldspar is (a) K2O. Al2O3. 6SiO2 (b) K2O3. Al2O3. 6Si2.O2.2H2O (c) Al2O3. 2SiO2. 2H20 Formula of Feldspar is (a) K2O. Al2O3. 6SiO2 (b) K2O3. Al2O3. 6Si2.O2.2H2O (c) Al2O3. 2SiO2. 2H20 November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

In the given circuit , with steady current , the potential of point A must be In the given circuit the potential of point A must be with steady current November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Two sources of light of wavelengths 2500 A^o and 3500 A^o are used in Young’s double slit expt. simultaneously. Which orders of fringes of two wavelength patterns coincide?

Which is correct (a) Aluminium : Calamine (b) Copper : Malachite (c) Magnesium : Calamine (d) Zinc : Carnellite Which is correct (a) Aluminium : Calamine (b) Copper : Malachite (c) Magnesium : Calamine (d) Zinc : Carnellite November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Siderite is an ore of (a) Cu (b) Al (c) Ag (d) Fe Siderite is an ore of (a) Cu (b) Al (c) Ag (d) Fe November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

In a Young’s double slit experiment, (slit distance d) monochromatic light of wavelength λ is used and the figure pattern observed at a distance L from the slits. The angular position of the bright fringes are (slit distance d) monochromatic light of wavelength λ is used and the figure pattern observed at a distance L [...]

Which of the following does not contain Mg (a) Magnetite (b) Asbestos (c) Magnesite (d) Carnallite Which of the following does not contain Mg (a) Magnetite (b) Asbestos (c) Magnesite (d) Carnallite November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

The path difference between two interfering light waves meeting at a point on the screen is (87/2)λ. The band obtained at that point is The path difference between two interfering light waves meeting at a point on the screen is (87/2)λ. The band obtained at that point is November 11, 2020 Category: Chapter 10 - [...]