Class 10

Asked: October 30, 2020In: Class 10

Compare and contrast bio-mass and hydro electricity as sources of energy.

NCERT Solution for Class 10 Science Chapter 14 Sources of Energy NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-255 Questions No-5

Samika Sharma

Asked: October 30, 2020In: Class 10

What are the limitations of extracting energy from waves?

NCERT Solution for Class 10 Science Chapter 14 Sources of Energy NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-255 Questions No- 6 Part-B

Samika Sharma

Asked: October 30, 2020In: Class 10

What are the limitations of extracting energy from tides?

NCERT Solution for Class 10 Science Chapter 14 Sources of Energy NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-255 Questions No-6 Part C

Samika Sharma

Asked: October 30, 2020In: Class 10

On what basis would you classify energy sources as renewable and non-renewable?

NCERT Solution for Class 10 Science Chapter 14 Sources of Energy NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-255 Questions No-7 Part A

Samika Sharma

Asked: October 30, 2020In: Class 10

On what basis would you classify energy sources as exhaustible and inexhaustible?

NCERT Solution for Class 10 Science Chapter 14 Sources of Energy NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-255 Questions No-7 Part B

Himmat Rustagi

Asked: October 30, 2020In: Class 10

A contractor plans to install two slides for the children to play in a park. For the children below the age of 5 years, she prefers to have a slide whose top is at a height of 1.5 m, is inclined at an angle of 30° to the ground, whereas for elder children, she wants to have a steep slide at a height of 3m, and inclined at an angle of 60° to the ground. What should be the length of the slide in each case?

NCERT Solutions for Class 10 Maths Chapter 9 Important NCERT Questions SOME APPLICAT IONS OF TRIGONOMETRY (Height and Distance) NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 9.1 Page No:213 Questions No:3

Himmat Rustagi

Asked: October 30, 2020In: Class 10

The angle of elevation of the top of a tower from a point on the ground, which is 30 m away from the foot of the tower, is 30°. Find the height of the tower.

NCERT Solutions for Class 10 Maths Chapter 9 Important NCERT Questions SOME APPLICAT IONS OF TRIGONOMETRY (Height and Distance) NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 9.1 Page No:204 Questions No:4

Himmat Rustagi

Asked: October 30, 2020In: Class 10

A kite is flying at a height of 60 m above the ground. The string attached to the kite is temporarily tied to a point on the ground. The inclination of the string with the ground is 60°. Find the length of the string, assuming that there is no slack in the string.

NCERT Solutions for Class 10 Maths Chapter 9 Important NCERT Questions SOME APPLICAT IONS OF TRIGONOMETRY (Height and Distance) NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 9.1 Page No:204 Questions No:5

Amaira

Asked: October 30, 2020In: Class 10

The angles of elevation of the top of a tower from two points at a distance of 4 m and 9 m from the base of the tower and in the same straight line with it are complementary. Prove that the height of the tower is 6 m.

NCERT Solutions for Class 10 Maths Chapter 9 Important NCERT Questions SOME APPLICAT IONS OF TRIGONOMETRY (Height and Distance) NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 9.1 Page No:205 Questions No:16

Aarav goyal

Asked: October 30, 2020In: Class 10

Draw magnetic field lines around a bar magnet.

NCERT Solution for Class 10 Science Chapter 13 Magnetic Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-228 Questions No-1

Category: Class 10

Compare and contrast bio-mass and hydro electricity as sources of energy.

What are the limitations of extracting energy from waves?

What are the limitations of extracting energy from tides?

On what basis would you classify energy sources as renewable and non-renewable?

On what basis would you classify energy sources as exhaustible and inexhaustible?

The angle of elevation of the top of a tower from a point on the ground, which is 30 m away from the foot of the tower, is 30°. Find the height of the tower.

A kite is flying at a height of 60 m above the ground. The string attached to the kite is temporarily tied to a point on the ground. The inclination of the string with the ground is 60°. Find the length of the string, assuming that there is no slack in the string.

The angles of elevation of the top of a tower from two points at a distance of 4 m and 9 m from the base of the tower and in the same straight line with it are complementary. Prove that the height of the tower is 6 m.

Draw magnetic field lines around a bar magnet.

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