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An object is placed 20cm in front of a block of glass 10cm thick having its farther side silvered. The image is formed 23.2cm behind the silvered face. The refractive index of glass is An object is placed 20cm in front of a block of glass 10cm thick having its farther side silvered. The image [...]

When a ray of light enters a water filled glass tank from a glass face making a non-zero angle to the normal, the emergent ray from the opposite face will follow a path which is the emergent ray from the opposite face will follow a path which is When a ray of light enters a [...]

Which of the following is only acidic in nature (a) Be(OH)2 (b) Mg(OH)2 (c) B(OH)3 (d) Al(OH)3 Which of the following is only acidic in nature (a) Be(OH)2 (b) Mg(OH)2 (c) B(OH)3 (d) Al(OH)3 November 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

The liquified metal expanding on solidification is (a) Ga (b) Al (c) Zn (d) Cu The liquified metal expanding on solidification is (a) Ga (b) Al (c) Zn (d) Cu November 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Number of water molecules in Mohr’s salt is (a) 7 (b) 6 (c) 5 (d) 8 Number of water molecules in Mohr's salt is (a) 7 (b) 6 (c) 5 (d) 8 November 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Bauxite containing impurities of iron oxide is purified by (a) Hoop’s process (b) Serpeck’s process (c) Baeyer’s process (d) Electrolytic process Bauxite containing impurities of iron oxide is purified by (a) Hoop's process (b) Serpeck's process (c) Baeyer's process (d) Electrolytic process November 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]

Boric acid is an acid because its molecule (a) Combines with proton from water molecule (b) Contains replaceable H+ ion Boric acid is an acid because its molecule (a) Combines with proton from water molecule (b) Contains replaceable H+ ion November 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

A plane mirror is placed at the bottom of a tank containing a liquid of refractive index μ. P is a small object at a height h above the mirror. An observer O−vertically above P, outside the liquid-sees P and its image in the mirror. The apparent distance between these two will be: A plane [...]

The tendency of BF3, BCl3 and BBr3 to behave as Lewis acid decreases in the sequence (a) BF3 > BCl3 > BBr3 (b) BCl3 > BF3 > BBr3 BCl3 and BBr3 to behave as Lewis acid decreases in the sequence (a) BF3 > BCl3 > BBr3 (b) BCl3 > BF3 > BBr3 The tendency of [...]

Which of the following statements is incorrect (a) Aluminium reacts with excess NaOH to give Al(OH)3 Which of the following statements is incorrect (a) Aluminium reacts with excess NaOH to give Al(OH)3 November 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,