Electric Field A charged particle cannot directly interact with another particle kept at a distance. A charge produces something called an electric field in the space around it and this electric field exerts a force on any other charge (except the source charge itself) placed in it. Thus, the region surrounding a charge or distribution … Read more
Practice Sheets for CBSE Class 12 Term 2 Examination We are providing practice sheets for CBSE Class 12 Term 2 Examinations. The questions are prepared strictly according to the latest syllabus prescribed by CBSE board. Practice sheets for Physics, Chemistry, Maths, Biology and English are available. Practice Sheets CBSE Class 12 Practice Sheets based on … Read more
What is Magnetic Flux? Flux is basically count of number of lines crossing a surface. The number of magnetic field lines crossing a surface is known as magnetic flux linked with that surface. Consider a closed curve enclosing an area A (as shown in the figure). Let there be a uniform magnetic field B in … Read more
Bending of light rays from sharp edges of an opaque obstacle or aperture and its spreading in the geometricle shadow region is defined as diffraction of light or deviation of light from its rectilinear propogation tendency is defined as diffraction of light. Diffraction was discovered by Grimaldi & it was theoretically explained by Fresnel. Diffraction … Read more
Exercise 13.1 Question 1: Express the following linear equations in the form ax + by + c = 0 and indicate the values of a, b and c in each case: (i) -2x + 3y = 12 (ii) x – y/2 – 5 = 0 (iii) 2x + 3y = 9.35 (iv) 3x = -7y … Read more
Q.1. If two coins are tossed once, what is the probability of getting at least one head ? Answer Answer: 3/4 Q.2. Two unbiased dice are rolled. Find the probability of getting a multiple of 2 on one die and a multiple of 3 on the other die ? Answer Answer: 11/36 Q.3. In an … Read more
NCERT Solutions for Class 9 Maths Chapter 2 Polynomials Ex 2.3 are part of NCERT Solutions for Class 9 Maths. Here we have given NCERT Solutions for Class 9 Maths Chapter 2 Polynomials Ex 2.3. Polynomials Class 9 Ex 2.1 Polynomials Class 9 Ex 2.2 Polynomials Class 9 Ex 2.3 Polynomials Class 9 Ex 2.4 Polynomials … Read more
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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
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Type-A: Definition Based Question Short Answer Type Question For Electrostatics Question number 1-9 CLICK HERE Answers Type-B: Identify / Differentiate Based Short Answer Type Questions For Electrostatics Question number 1-9 CLICK HERE Answers Type-C: Reasoning Based Short/Long Answer Type Questions ANSWERS TYPE-D: Graph/Diagram Based ANSWERS Type-5: Law/Rule/Principle Based Type-6: Properties/Functions/Uses/Effects Based ANSWERS Type-7: To establish … Read more
Q1. Where on the surface of Earth is the vertical component of Earth’s magnetic field zero? Q2. The horizontal component of the earth’s magnetic field at a place is B and angle of dip is 60°. What is the value of vertical component of earth’s magnetic field at equator? Q3. A magnetic needle, … Read more
QUESTIONS If a particle is accelerating, it is either speeding up or speeding down. Do you agree with this statement? Two balls of different masses are thrown vertically upwards with the same speed. They pass through the point of projection in their downward motion with the same speed. Do you agree with this statement? Is … Read more
1. Explosions on other planets are not heard on earth. Why? [1] 2. Why longitudinal waves are called pressure waves? [1] 3. Why do tuning forks have two prongs? [1] 4. A pipe 20 cm long is closed at one end. Which harmonic mode of the pipe is resonantly excited by a 430 Hz source? … Read more
ICSE Physics Class 10 Syllabus There is one paper of two hours duration carrying 80 marks and Internal Assessment of practical work carrying 20 marks. The paper is divided into two sections: Section I (40 marks) and Section II (40 marks). Section I (compulsory) contains short answer questions on the entire syllabus. Section II contains six … Read more
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TYPE B: ASSERTION REASON QUESTIONS Directions for (Qs. 36-38) : These questions consist of two statements, each printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following five responses. (a) If both Assertion and Reason are correct and the Reason is a correct explanation of the … Read more
TYPE A : MULTIPLE CHOICE QUESTIONS TYPE B : ASSERTION REASON QUESTIONS
Directions for (Q. 32) : These questions consist of two statements, each printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following five responses. (a) If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.(b) If both Assertion and … Read more
Chapter- 16 Electrostatic Potential & Capacitance
Chapter-17 Current Electricity TYPE – A MULTIPLE TYPE QUESTIONS
Final Touch Revision Chemistry for JEE Main Topic: Periodic Table, S-Block
