Under what condition, is a convex lens nearly acts as diverging lens?

Under what condition, is a convex lens nearly acts as diverging lens? Answer: Condition 1: A convex lens can behave as a diverging lens when it is placed in a medium whose refractive index is greater than the refractive index of the material of the lens.  Example: A convex lens of glass (n= 1.5) behave … Read more

Oscillation | Simple Harmonic Motion | Condition for SHM | Examples

Physics class 10 chapter 10 comprehension questions, FBISE Federal Board National Book Foundation. Question: What do you mean by oscillation? Define simple harmonic motion. What are conditions for a body to perform SHM? Give examples of bodies which perform SHM. Questions Covered: simple harmonic motion definition, simple harmonic motion examples, conditions for simple harmonic motion, … Read more

Physics Class 10 Chapter 10 Numericals Pdf Download | Federal Board | National Book Foundation

Download solved Numericals pdf of physics class 10 chapter 1 national book foundation federal board. Students can download notes for class 10 Federal Board. Fazal Academy is the top website for study. Unit 10: Simple Harmonic Motion and Waves Exercise Conceptual Questions: NUMERICAL PROBLEMS: Download Physics Class 10 Chapter 1 Conceptual Questions In chapter 1 … Read more

Physics Class 10 Chapter 13 Electrostatics Conceptual Question 1 Federal Board

Question: Rub plastic ruler with your hair. Place it near running water from tap. You see that thin stream of water is deflected. Explain why? Answer: Thin stream of water is deflected because of electrostatic induction when a charged plastic ruler is brought near it. Explanation: When plastic ruler is rubbed with hair, it gets … Read more

Why does sound travel faster in solids than liquids and gases?

Q1. Why does sound travel faster in solids than liquids and gases? Ans: Sound travel faster in solids than liquids and gases because in solids particles are very close to each other. Explanation: Sound is a mechanical wave which travels from one point to another by vibration of particles. In solids, particles are very close … Read more