Hot questions

0 votes

1 answer 100 views

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)

0 votes

1 answer 276 views

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)

0 votes

1 answer 263 views

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)

0 votes

1 answer 284 views

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)

0 votes

1 answer 244 views

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)

0 votes

0 answers 81 views

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)

0 votes

0 answers 113 views

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)

0 votes

0 answers 85 views

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)

0 votes

1 answer 292 views

(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)

0 votes

1 answer 230 views

(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)

0 votes

1 answer 239 views

4. Study the following graph and analyse in short.

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

0 votes

1 answer 242 views

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)

0 votes

1 answer 246 views

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)

0 votes

1 answer 220 views

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)

+1 vote

1 answer 236 views

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)

+1 vote

1 answer 927 views

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)

0 votes

1 answer 225 views

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)

0 votes

1 answer 176 views

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)

+2 votes

1 answer 1.9k views

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

0 votes

1 answer 181 views

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

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

Most popular tags