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A lens of focal length 20.0 cm and aperture radius 2.0 cm is placed at a distance 30.0 cm from a point source of light. On the other side a screen is placed at a distance 50.0 cm from A lens of focal length 20.0 cm and aperture radius 2.0 cm is placed at a [...]

Solve the following: (ii) Laxmi’s father is 49 years old. He is 4 years older than three times Laxmi’s age. What is Laxmi’s age? Solve the following: (ii) Laxmi’s father is 49 years old. He is 4 years older than three times Laxmi’s age. What is Laxmi’s age? October 8, 2020 Category: Chapter 4 - [...]

Solve the following: (i) Irfan says that he has 7 marbles more than five times the marbles Parmit has. Irfan has 37 marbles. How many marbles does Parmit have? Solve the following: (i) Irfan says that he has 7 marbles more than five times the marbles Parmit has. Irfan has 37 marbles. How many marbles [...]

Solve the following: (c) Sachin scored twice as many runs as Rahul. Together, their runs fell two short of a double century. How many runs did each one score? Solve the following: (c) Sachin scored twice as many runs as Rahul. Together their runs fell two short of a double century. How many runs did [...]

Solve the following: (b) In an isosceles triangle, the base angles are equal. The vertex angle is 40 degree. What are the base angles of the triangle?(Remember, the sum of three angles of a triangle is 180 degree.) Solve the following: (b) In an isosceles triangle the base angles are equal. The vertex angle is [...]

Solve the following: (a) The teacher tells the class that the highest marks obtained by a student in her class are twice the lowest marks plus 7. The highest score is 87. What is the lowest score? Solve the following: (a) The teacher tells the class that the highest marks obtained by a student in [...]

1. Set up equations and solve them to find the unknown numbers in the following cases: (g) Answer thinks of a number. If he takes away 7 from 5/2 of the number, the result is 23. 1. Set up equations and solve them to find the unknown numbers in the following cases: (g) Answer thinks [...]

In figure, a point object O is placed in air. A spherical boundary separates two media. AB is the principal axis. The refractive index above AB is 1.6 and below AB is 2.0. The separation a point object O is placed in air. A spherical boundary separates two media. AB is the principal axis. The [...]

When an object is placed 15 cm from a lens, a virtual image is formed. Mark the correct statements. a virtual image is formed. Mark the correct statements. When an object is placed 15 cm from a lens October 8, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Rays from a lens are converging toward a point P, as shown in figure. How much thick glass plate having refractive index 1.6 must be located between the lens and point P, so that as shown in figure. How much thick glass plate having refractive index 1.6 must be located between the lens and point [...]