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A window of a house is h metres above the ground. From the window, the angles of elevation and depression of the top and the bottom of another house situated on the opposite side of the lane are found to be α and β, respectively. Prove that the height of the other house is h (1 + tan α cot β) metres.
25
Nov
A window of a house is h metres above the ground. From the window, the angles of elevation and depression of the top and the bottom of another house situated on the opposite side of the lane are found to be α and β, respectively. Prove that the height of the other house is h [...]
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A window of a house is h metres above the ground. From the window ,
respectively. Prove that the height of the other house is h (1 + tan α cot β) metres. ,
the angles of elevation and depression of the top and the bottom of another house situated on the opposite side of the lane are found to be α and β ,
The compound which could not act both as oxidising as well as reducing agent is
25
Nov
The compound which could not act both as oxidising as well as reducing agent is The compound which could not act both as oxidising as well as reducing agent is November 25, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The angle of elevation of the top of a vertical tower from a point on the ground is 60°. From another point 10m vertically above the first, its angle of elevation is 45°. Find the height of the tower.
25
Nov
The angle of elevation of the top of a vertical tower from a point on the ground is 60°. From another point 10m vertically above the first, its angle of elevation is 45°. Find the height of the tower. its angle of elevation is 45°. Find the height of the tower. The angle of elevation [...]
A ladder rests against a vertical wall at an inclination α to the horizontal. Its foot is pulled away from the wall through a distance p so that its upper end slides a distance q down the wall and then the ladder makes an angle β to the horizontal. Show that p/q = cosβ − cosα / sinα − sinβ
25
Nov
A ladder rests against a vertical wall at an inclination α to the horizontal. Its foot is pulled away from the wall through a distance p so that its upper end slides a distance q down the wall and then the ladder makes an angle β to the horizontal. Show that p/q = cosβ − [...]
The correct geometry and hybridization for XeF4 are (a) Square planer, sp3d2 (b) Octahedral, sp3d2
25
Nov
The correct geometry and hybridization for XeF4 are (a) Square planer, sp3d2 (b) Octahedral, sp3d2 sp3d2 sp3d2 (b) Octahedral The correct geometry and hybridization for XeF4 are (a) Square planer November 25, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Which of the following statement is not true for halogens (a) All do not form monobasic oxyacids (b) All are oxidizing agents
25
Nov
Which of the following statement is not true for halogens (a) All do not form monobasic oxyacids (b) All are oxidizing agents Which of the following statement is not true for halogens (a) All do not form monobasic oxyacids (b) All are oxidizing agents November 25, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
From the top of a tower h m high, the angles of depression of two objects, which are in line with the foot of the tower are α and β (β > α). Find the distance between the two objects.
25
Nov
From the top of a tower h m high, the angles of depression of two objects, which are in line with the foot of the tower are α and β (β > α). Find the distance between the two objects. From the top of a tower h m high the angles of depression of two [...]
The angle of elevation of the top of a tower 30 m high from the foot of another tower in the same plane is 60° and the angle of elevation of the top of the second tower from the foot of the first tower is 30°. Find the distance between the two towers and also the height of the other tower.
25
Nov
The angle of elevation of the top of a tower 30 m high from the foot of another tower in the same plane is 60° and the angle of elevation of the top of the second tower from the foot of the first tower is 30°. Find the distance between the two towers and also [...]
HgCl2 and I2 both when dissolved in water containing I- ions the pair of species formed is (a) HgI2, I-
25
Nov
HgCl2 and I2 both when dissolved in water containing I- ions the pair of species formed is (a) HgI2, I- HgCl2 and I2 both when dissolved in water containing I- ions the pair of species formed is (a) HgI2 I November 25, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Prove that 1 + sec θ – tan θ / 1 + sec θ + tan θ = 1 – sin θ / cos θ
25
Nov
Prove that 1 + sec θ – tan θ / 1 + sec θ + tan θ = 1 – sin θ / cos θ Prove that 1 + sec θ - tan θ / 1 + sec θ + tan θ = 1 - sin θ / cos θ November 25, 2020 Category: Chapter [...]