Institute of Physics & Chemistry
CBSE Class 10 Carbon & Its Compounds Unsolved MCQ
(a) (i) and (iii) (b) (ii) and (iv)(c) (i) and (ii) (d) (iii) and (iv) 47. In the below given reaction, alkaline KMnO4 acts as (a) reducing agent(b) oxidising agent(c) catalyst(d) dehydrating agent 48. Structural formula of ethyne is 50. Which of the following is the correct representation of electron dot structure of nitrogen? 57. … Read more
CBSE Class 10 Metals & Non-metals Unsolved MCQ
CBSE Class 10 Metals & Non-metals Unsolved MCQ Related Posts
Class 11th Physics Ch-9 Mechanical Properties of Solids Study Notes
BASIC CONCEPTS (INTRODUCTION) ELASTICITY AND PLASTICITY ELASTIC BEHAVIOUR OF SOLIDS STRESS AND STRAIN Stress Types of Stress Strain Types of Strain SOLVED EXAMPLES Illustration-01 Solution Illustration-02 Solution HOOKE’S LAW Hooke’s Law STRESS-STRAIN CURVE Stress-Strain Curve Elastic Limit Elastic Hysteresis Elastomers Substances like tissue of aorta, rubber etc. which can be stretched to cause large strains … Read more
Class 11th Physics Ch-8 Gravitation Questions with Solutions
Question 1: The mass of two bodies are doubled and the distance is halved, how will the gravitational force change? Answer Question 2: If two masses are equal and made of same material, how will the force of attraction vary with separation? Answer Question 3: What is the height at which the value of g … Read more
MCQ Questions for Class 10 Science Human Eye and Colourful World with Answers
MCQ Questions for Class 10 Science Human Eye and Colourful World with Answers Question 1. The least distance of distinct vision for a normal eye is(a) infinity(b) 25 cm(c) 2.5 cm(d) 25 m Answer Answer: b Question 2. The defect of vision in which a person cannot see the distant objects clearly but can see … Read more
Class 10 Maths MCQs Chapter 10 Circles
1. The distance between two parallel tangents of a circle of radius 4 cm is(a) 2 cm(b) 4 cm(c) 6 cm(d) 8 cm Answer: dExplanation: Reason: Here radius, r = 4 cmRequired distance,AB = OA + OB= r + r = 2r = 2×4 = 8 cm 2. In the given figure, if ∠RPS = … Read more
How to Make Notes for CBSE 12 Board Exams???
☞ Are you going to appear in the CBSE 12 Board Exams Next Year? ➽ There is a great role of making notes to secure good marks in 12 board examination. Do you know that how to prepare notes for class 12 board exams? If you answer is no, then read the complete article to … Read more
Questions on Magnetism (Class 12 Physics)
QUESTIONS A charged particle moving in a perpendicular uniform magnetic field penetrates a layer of lead and thereby loses half of its kinetic energy. How will the radius of curvature of its path changes. The energy of a charged particle moving in a uniform magnetic field does not change, why ? State property of material … Read more
Electrostatics (For CBSE Class 12)
QUESTIONS Q1. What is the work done in moving a test charge ‘q’ through a distance of 1 cm along the equatorial axis of an electric dipole? [1] Hint : on equatorial line V=0 Q2. Why in Millikan’s Oil Drop experiment, the charge measured was always found to be of some discrete value and not … Read more
Concepts of Physics Ch-15 Wave Motion and Wave On a String (SA)
You are walking along seashore and a mild wind is blowing. Is the motion of air a wave motion? Solution: No, in wave motion there is no actual transfer of matter but transfer of energy between the points where as when wind blows air particles moves with it. The radio and TV programmes, telecast at … Read more
Concepts of Physics Ch-13 Fluid Mechanics (SA)
1. Is it always true that the molecules of a dense liquid are heavier than the molecules of a lighter liquid ? Solution: Density is defined as mass per unit volume. It tells how closely packed are the molecules inside an object. When molecules are tightly packed, we say that the object is dense; when … Read more
