Gajasura

Sneha Thakur

Asked: October 29, 2020In: Class 10

A brooch is made with silver wire in the form of a circle with diameter 35 mm. The wire is also used in making 5 diameters which divide the circle into 10 equal sectors as shown in Find.

NCERT Solutions for Class 10 Science Chapter 12 Important NCERT Questions Areas Related To Circles Class, NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 12.2 Page No:230 Questions No:9 A brooch is made with silver ...

Sneha Thakur

Asked: October 29, 2020In: Class 10

An umbrella has 8 ribs which are equally spaced Assuming umbrella to be a flat circle of radius 45 cm, find the area between the two consecutive ribs of the umbrella.

NCERT Solutions for Class 10 Science Chapter 12 Important NCERT Questions Areas Related To Circles Class, NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 12.2 Page No:231 Questions No:10

Sneha Thakur

Asked: October 29, 2020In: Class 10

A car has two wipers which do not overlap. Each wiper has a blade of length 25 cm sweeping through an angle of 115°. Find the total area cleaned at each sweep of the blades.

NCERT Solutions for Class 10 Science Chapter 12 Important NCERT Questions Areas Related To Circles Class, NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 12.2 Page No:231 Questions No:11

Sneha Thakur

Asked: October 29, 2020In: Class 10

To warn ships for underwater rocks, a lighthouse spreads a red colored light over a sector of angle 80° to a distance of 16.5 km. Find the area of the sea over which the ships are warned. (Use π= 3.14)

NCERT Solutions for Class 10 Science Chapter 12 Important NCERT Questions Areas Related To Circles Class, NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 12.2 Page No:231 Questions No:12

Mayra Sharma

Asked: October 28, 2020In: Class 10

State whether true or false The field at the center of a long circular coil carrying current will be parallel straight lines.

NCERT Solution for Class 10 Science Chapter 13 Magnetic Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-240 Questions No-6 Part-3

Daksha Singh

Asked: October 28, 2020In: Class 9

What is the mass of:?

NCERT Solutions for Class 9 Science Chapter 3 Atoms And Molecules NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-44 Questions No-9 What is the mass of:? (a) 0.2 mole of oxygen atoms? (b) 0.5 mole of water ...

Divya Srivastava

Asked: October 28, 2020In: Class 9

Draw a sketch of Bohr’s model of an atom with three shells.

NCERT Solutions for Class 9 Science Chapter 4 Structure of the Atom NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-49 Questions No-3

Damini Lokhande

Asked: October 28, 2020In: Class 9

A neutron is formed by an electron and a proton combining together. Therefore, it is neutral. Is it true or false?

NCERT Solutions for Class 9 Science Chapter 4 Structure of the Atom NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-55 Questions No-14 Part-2

Damini Lokhande

Asked: October 28, 2020In: Class 9

The mass of an electron is about 1/2000 times that of proton. it is neutral. Is it true or false?

NCERT Solutions for Class 9 Science Chapter 4 Structure of the Atom NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-55 Questions No- 14 Part-3

Damini Lokhande

Asked: October 28, 2020In: Class 9

An isotope of iodine is used for making tincture iodine, which is used as a medicine. it is neutral. Is it true or false?

NCERT Solutions for Class 9 Science Chapter 4 Structure of the Atom NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-55 Questions No- 14 Part-4

Gajasura

State whether true or false The field at the center of a long circular coil carrying current will be parallel straight lines.

What is the mass of:?

Draw a sketch of Bohr’s model of an atom with three shells.

A neutron is formed by an electron and a proton combining together. Therefore, it is neutral. Is it true or false?

The mass of an electron is about 1/2000 times that of proton. it is neutral. Is it true or false?

An isotope of iodine is used for making tincture iodine, which is used as a medicine. it is neutral. Is it true or false?

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