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NCERT Solutions Class 10 Science Chapter 14 Sources of Energy

Source of Energy NCERT Solutions NCERT Exercises 1. A solar water heater cannot be used to get hot water on(a) A sunny day(b) A cloudy day(c) A hot day(d) A windy day (b) A cloudy day 2. Which of the following is not an example of a bio-mass energy source?(a) Wood(b) Gobar-gas(c) Nuclear energy(d) Coal

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NCERT Solutions Class 10 Science Chapter 13 Magnetic Effects of Electric Current

Magnetic Effects of Electric Current NCERT Solutions NCERT Exercises 1. Which of the following correctly describes the magnetic field near a long straight wire? (a) The field consists of straight lines perpendicular to the wire. (b) The field consists of straight lines parallel to the wire. (c) The field consists of radial lines originating from

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NCERT Solutions Class 10 Science Chapter 15 Our Environment

Our Environment NCERT Solutions NCERT Exercise 1. Which of the following groups contain only biodegradable items?a. Grass, flowers and leatherb. Grass, wood and plasticc. Fruit peels, cake and lime juiced. Cake, wood and grass (c) and (d) 2. Which of the following constitute a food-chain?a. Grass, wheat and mangob. Grass, goat and humanc. Goat, cow

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