Aditi

Amaira

Asked: October 30, 2020In: Class 10

From the top of a 7 m high building, the angle of elevation of the top of a cable tower is 60° and the angle of depression of its foot is 45°. Determine 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:12

Amaira

Asked: October 30, 2020In: Class 10

As observed from the top of a 75 m high lighthouse from the sea-level, the angles of depression of two ships are 30° and 45°. If one ship is exactly behind the other on the same side of the lighthouse, find the distance between the two ships.

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:13

Amaira

Asked: October 30, 2020In: Class 10

A 1.2 m tall girl spots a balloon moving with the wind in a horizontal line at a height of 88.2 m from the ground. The angle of elevation of the balloon from the eyes of the girl at any instant is 60°. After some time, the angle of elevation reduces to 30° Find the distance travelled by the balloon during the interval.

NCERT Solutions for Class 10 Maths Chapter 1 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:14

Amaira

Asked: October 30, 2020In: Class 10

A straight highway leads to the foot of a tower. A man standing at the top of the tower observes a car at an angle of depression of 30°, which is approaching the foot of the tower with a uniform speed. Six seconds later, the angle of depression of the car is found to be 60°. Find the time taken by the car to reach the foot of the tower from this point.

NCERT Solutions for Class 10 Maths Chapter 1 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:15

Deepak joshi

Asked: October 21, 2020In: Class 10

Nitrogen (atomic number 7) and phosphorus (atomic number 15) belong to group 15 of the Periodic Table. Write the electronic configuration of these two elements. Which of these will be more electronegative? Why?

NCERT Solution for Class 10 Science Chapter 5 Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-92 Questions No-7

Chaitan Singh

Asked: October 21, 2020In: Class 10

Name two elements that have two electrons in their outermost shells.

NCERT Solution for Class 10 Science Chapter 5 Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-90 Questions No- 3 Part 2

naveen

Asked: May 8, 2020In: NCERT Books

What are pollutants?

Any undesirable change in physical, chemical or biological characteristics of natural resources like air, land, water or soil is known as pollution. All the agents that are responsible for this change are called as pollutants.

श्रीKHATU SHYAM TRAVELS ( VISHAL PACHAURI )

Asked: April 26, 2020In: Class 10

Math for Class 10 Chapter 3

3 bag aur 4 Pan ka ek Sath mulya 257 hai aise hi 4 bag aur 3 pen ka ek Sath mulya 324 Hai is sthiti ka bijganit tatha jaymati nirupan kijiye

x.lba

Asked: April 21, 2020In: NCERT Solutions

maths chapter 2 ncert

ncert solutions question no. 4 of ex:2.5 i)(x+2y+4z)2 what is the answer

Amit Sharma

Asked: April 1, 2020In: CBSE Syllabus

CBSE Syllabus 2022-23

CBSE Syllabus for 2022-23 now released for class 9, 10, 11 and Class 12 all subjects like Maths, Science, social Science, Hindi and English for class 10 and Physics, Chemistry, Biology, Hindi, English, Economics, Accountancy, Business Studies, etc. A new ...

Aditi

From the top of a 7 m high building, the angle of elevation of the top of a cable tower is 60° and the angle of depression of its foot is 45°. Determine the height of the tower.

As observed from the top of a 75 m high lighthouse from the sea-level, the angles of depression of two ships are 30° and 45°. If one ship is exactly behind the other on the same side of the lighthouse, find the distance between the two ships.

Nitrogen (atomic number 7) and phosphorus (atomic number 15) belong to group 15 of the Periodic Table. Write the electronic configuration of these two elements. Which of these will be more electronegative? Why?

Name two elements that have two electrons in their outermost shells.

What are pollutants?

Math for Class 10 Chapter 3

maths chapter 2 ncert

CBSE Syllabus 2022-23

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