Q.1. The radius of curvature of the path followed by a charge particle in magnetic field is proportional to(1) Charge of the particle(2) Momentum of the particle(3) Energy of the particle(4) Magnetic field density Q.2. A square loop of side a carries a current I. A uniform magnetic field B is along the z-axis. Thisloop … Read more
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 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
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
Can two particles be in equilibrium under the action of their mutual gravitational force? Can three particles be? Can one of the three particles be? Solution: 1st Part: A particle will be in equilibrium when the net force acting on it is equal to zero. Two particles under the action of their mutual gravitational force … Read more
VERY SHORT ANSWER TYPE QUESTIONS (1 Mark) Q1. What is a hydrocarbon?Ans. It is a compound of hydrogen and carbon. Q2. Give different forms in which carbon occurs in nature.Ans. Carbon occurs in free form e.g., graphite and diamond in combined form like carbon dioxide, carbonates, etc.In earth’s crust–0.02% and in atmosphere–0.03%. Q3. Name two … Read more
