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Make pairs of substances and their properties Substance. Property A. Potassium bromide. 1.Combustible

asked Oct 9, 2021 in Chapter 8: Metallurgy by Doubtly (98.9k points)

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Why has mining not developed in the western part of Brazil?

asked Sep 24, 2021 in Chapter 8: Economy and Occupations by Doubtly (98.9k points)

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a. What is meant by latent heat? How will the state of matter transform if latent heat is given off?

asked Sep 27, 2021 in Chapter 5: Heat by Doubtly (98.9k points)

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What is a solenoid? Compare the magnetic field produced by a solenoid with the magnetic field of a bar magnet. Draw neat figures and name various components.

asked Sep 27, 2021 in Chapter 4: Effects of electric current by Doubtly (98.9k points)

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Two buildings are facing each other on a road of width 12 metre. From the top of the first building, which is 10 metre high, the angle of elevation

asked Oct 1, 2021 in Trigonometry by Doubtly (98.9k points)

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Saturated hydrocarbons are classified into three types. Write these names giving one example each

asked Oct 10, 2021 in Chapter 9: Carbon Compounds by Doubtly (98.9k points)

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Give names of three natural polymers. Write the place of their occurrance and names of monomers from which they are formed.

asked Oct 10, 2021 in Chapter 9: Carbon Compounds by Doubtly (98.9k points)

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Three lenses having power 2, 2.5 and 1.7 D are kept touching in a row. What is the total power of the lens combination?

asked Oct 9, 2021 in Chapter 7: Lenses by Doubtly (98.9k points)

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(ii) A rainbow is the combined effect of the refraction, dispersion, and total internal reflection of light.

asked Sep 27, 2021 in Chapter 6: Refraction of light by Doubtly (98.9k points)

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(i) If the angle of incidence and angle of emergence of a light ray falling on a glass slab are i and e respectively, prove that, i = e.

asked Sep 27, 2021 in Chapter 6: Refraction of light by Doubtly (98.9k points)

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4. Study the following graph and analyse in short.

asked Sep 24, 2021 in Chapter 8: Economy and Occupations by Doubtly (98.9k points)

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b Which principle is used to measure the specific heat capacity of a substance?

asked Sep 27, 2021 in Chapter 5: Heat by Doubtly (98.9k points)

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a. Tungsten metal is used to make a solenoid type coil in an electric bulb.

asked Sep 26, 2021 in Chapter 4: Effects of electric current by Doubtly (98.9k points)

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From the top of a lighthouse, an observer looking at a ship makes angle of depression of 60°. If the height of the lighthouse is 90 metre

asked Oct 1, 2021 in Trigonometry by Doubtly (98.9k points)

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Equal heat is given to two objects A and B of mass 1 g. Temperature of A increases by 3°C and B by 5°C. Which object has more specific heat? And by what factor?

asked Sep 27, 2021 in Chapter 5: Heat by Doubtly (98.9k points)

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find the coefficient of x^256 in [1-x]^101 x (x^2+x+1)^100

asked Jul 20, 2021 in 2021 by Doubtly (98.9k points)

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4. Explain the difference : AC generator and DC generator.

asked Sep 26, 2021 in Chapter 4: Effects of electric current by Doubtly (98.9k points)

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If tanθ+ 1/tanθ =2 thenshow that tan ^2 θ+ 1/ tan^2θ=2

asked Sep 30, 2021 in Trigonometry by Doubtly (98.9k points)

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E. A student used a carbon pencil to write his homework. The mass of this was found to be 5 mg. With the help of this calculate.

asked Apr 21, 2021 in Chapter 1: Some Basic Concepts of Chemistry by anonymous

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Trigonometry notes std 10th maharashtra board pdf english medium exercise 6.1

asked Sep 29, 2021 in Trigonometry by Doubtly (98.9k points)

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