Question Answers

Give first the step you will use to separate the variable and then solve the equation: (G) y + 4 = 4 Give first the step you will use to separate the variable and then solve the equation: (G) y + 4 = 4 October 8, 2020 Category: Chapter 4 - Simple Equations , Maths [...]

A convex lens of focal length 1.0 m and a concave lens of focal length 0.25 m are 0.75 m apart. A parallel beam of light is incident on the convex lens. The beam emerging after refraction A convex lens of focal length 1.0 m and a concave lens of focal length 0.25 m are [...]

Give first the step you will use to separate the variable and then solve the equation: (F) y – 4 = 4 Give first the step you will use to separate the variable and then solve the equation: (F) y – 4 = 4 October 8, 2020 Category: Chapter 4 - Simple Equations , Maths [...]

Give first the step you will use to separate the variable and then solve the equation: (E) y – 4 = – 7 Give first the step you will use to separate the variable and then solve the equation: (E) y – 4 = – 7 October 8, 2020 Category: Chapter 4 - Simple Equations [...]

A convex lens of power +6 dioptre is placed in contact with a concave lens of power -4 dioptre. What will be the nature and focal length of this combination? A convex lens of power +6 dioptre is placed in contact with a concave lens of power -4 dioptre. What will be the nature and [...]

Give first the step you will use to separate the variable and then solve the equation: (D) x + 6 = 2 Give first the step you will use to separate the variable and then solve the equation: (D) x + 6 = 2 October 8, 2020 Category: Chapter 4 - Simple Equations , Maths [...]

Give first the step you will use to separate the variable and then solve the equation: (C) x – 1 = 5 Give first the step you will use to separate the variable and then solve the equation: (C) x – 1 = 5 October 8, 2020 Category: Chapter 4 - Simple Equations , Maths [...]

An object 15 cm high is placed 10 cm from the optical center of a thin lens. Its image is formed 25 cm from the optical center on the same side of the lens as the object. The height An object 15 cm high is placed 10 cm from the optical center of a thin [...]

Give first the step you will use to separate the variable and then solve the equation: (B) x + 1 = 0 Give first the step you will use to separate the variable and then solve the equation: (B) x + 1 = 0 October 8, 2020 Category: Chapter 4 - Simple Equations , Maths [...]

An equiconvex lens is cut into two halves along (1) XOX’ adn (2) YOY” as shown in figure. Let f, f’, f” be the focal length of the lens, of each half in case (1) and of each half in case (2) An equiconvex lens is cut into two halves along (1) XOX' adn (2) [...]