Prism – Viva Questions To determine angle of minimum deviation for a given prism by plotting a graph between angle of incidence and angle of deviation A. Basic Understanding Q1. What is a prism? Answer: A prism is a transparent refracting medium with plane surfaces; therefore, it bends light by refraction. Q2. What is the…
Convex Lens Viva Questions – Finding Focal Length using Graphs To find the focal length of a convex lens by plotting graphs between u and v or between 1/u and 1/v A. Basic Understanding Q1. What is a convex lens? Answer: A convex lens is thicker at the centre; therefore, it converges parallel light rays….
Concave Mirror Experiment Viva Questions – Finding Image Distance and Focal Length Concave Mirror – Viva Questions A. Basic Concepts Q1. What is a concave mirror? Answer: A concave mirror has an inwardly curved reflecting surface; therefore, it converges light rays. Q2. What types of images does a concave mirror form? Answer: A concave mirror…
Conversion of Galvanometer into Voltmeter or Ammeter – Viva Questions Experiment Aim The aim of this experiment is to convert a given galvanometer of known resistance and figure of merit into a voltmeter or an ammeter of desired range and then verify its performance. Apparatus Used This experiment uses a moving coil galvanometer, suitable resistances,…
Galvanometer Half-Deflection Method Viva Questions This page presents viva questions for the experiment to determine the resistance of a galvanometer by the half-deflection method and to find its figure of merit. These questions follow CBSE physics practical standards, so students can answer confidently during viva voce. Basic Viva Questions Q1. What is a galvanometer? A…
Law of Combination of Resistances Using Metre Bridge – Viva Questions This post presents a carefully structured set of viva questions on the law of combination of resistances using a metre bridge. It helps students prepare confidently for CBSE physics practical viva voce by covering both series and parallel combinations in a clear, examiner-oriented manner….
Metre Bridge Experiment Viva Questions (FAQ) – CBSE Physics Practical This post provides a complete and exam-oriented collection of viva questions for the metre bridge experiment. These questions are frequently asked in CBSE physics practical examinations while performing the experiment to find the resistance of a given wire using a metre bridge. Experiment: To find…
Experiment No.: Title: Establishing the Relation Between the Loss in Weight of a Solid When Fully Immersed in: (a) Tap Water (b) Strongly Salty Water With the Weight of Water Displaced by It, Using at Least Two Different Solids Objective: To verify that the loss in weight of a solid when fully immersed in a…
Experiment No.: Title: Density Determination of a Solid Using a Spring Balance and Measuring Cylinder Objective: To determine the density of a solid by measuring its mass using a spring balance and its volume using a measuring cylinder. Apparatus Required: Theory: Density (ρ) is defined as the mass per unit volume of a substance and…
Verification of the Laws of Reflection of Sound Experiment No.: Title: Verification of the Laws of Reflection of Sound Objective: To verify the laws of reflection of sound using a smooth reflecting surface. Apparatus Required: Theory: The laws of reflection of sound are: Procedure: Observations: Trial No. Angle of Incidence (°) Angle of Reflection (°)…