Tiwari Academy Discussion

Asked: December 28, 2020In: Class 10 Science

(a) A student suffering from myopia is not able to see distinctly the object placed beyond 5 m. List two possible reasons due to which this defect of vision may have arisen. With the help of ray diagrams explain. (i) Why the student is unable to see distinctly the objects placed beyond 5 cm from his eyes. (ii) The type of the corrective lens used to restore proper vision and how this defect is correct by the use of this lens. (b) If, in this case, the numerical value of the focal length of the corrective lens is 5 m, find the power of the lens as per the new Cartesian sign convention.

NCERT Solutions for Class 10 Science Chapter 11 Important Board Questions Human Eye and Colourful World NCERT Books for Session 2022-2023 CBSE Board and UP Board Long Short Questions Questions No: 5

Dasya

Asked: December 28, 2020In: Class 10 Maths

The amount of air present in a cylinder when a vacuum pump removes ¼ of the air remaining in the cylinder at a time. Is it an AP?

NCERT Solutions for Class 10 Maths Chapter 5 Important NCERT Questions Arithmetic Progression NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 5.1 Page No:99 Questions No:1 Part 2

Biology Masters

Asked: December 28, 2020In: Class 10 Science

What is the need for a system of control and coordination in an organism?

NCERT Solutions for Class 10 Science Chapter 7 Important Board Questions Control and Coordination NCERT Books for Session 2022-2023 CBSE Board and UP Board Short Questions Questions No: 7

Poll

Biology Masters

Asked: December 28, 2020In: Class 10 Science

Statements :- (I) – During reflex action body reacts quickly (II)-In reflex arc response is generated from brain.

NCERT Solutions for Class 10 Science Chapter 7 Important Board Questions Control and Coordination NCERT Books for Session 2022-2023 CBSE Board and UP Board MCQs Questions No: 9

Chemistry Solution Teacher

Asked: December 28, 2020In: Class 10 Science

Why does carbon atom form a large number of compounds?

NCERT Solutions for Class 10 Science Chapter 4 Important Board Questions Carbon and its Compounds NCERT Books for Session 2022-2023 CBSE Board and UP Board Short Type Question Questions No: 2

Physics Question

Asked: December 28, 2020In: Class 10 Science

(a) Write the function of each of the following parts of human eye: (i) Cornea (ii) Iris (iii) Crystalline (iv) Ciliary muscles (b) Why does the sun appear reddish early in the morning? Will this phenomenon be observed by an astronaut on the Moon? Give reason to justify your answer.

NCERT Solutions for Class 10 Science Chapter 11 Important Board Questions Human Eye and Colourful World NCERT Books for Session 2022-2023 CBSE Board and UP Board Long Short Questions Questions No: 4

Chemistry Solution Teacher

Asked: December 28, 2020In: Class 10 Science

What are hydrocarbons? Give examples.

NCERT Solutions for Class 10 Science Chapter 4 Important Board Questions Carbon and its Compounds NCERT Books for Session 2022-2023 CBSE Board and UP Board Short Type Question Questions No: 1

parveen sultana

Asked: December 28, 2020In: Class 10 Maths

Check whether the first polynomial is a factor of the second polynomial by dividing the second polynomial by the first polynomial: t²– 3, 2t⁴ + 3t³ – 2t² – 9t – 12

NCERT Solutions for Class 10 Maths Chapter 2 Important NCERT Questions Polynomials NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 2.3 Page No:36 Questions No:2 Part:1

Biology NCERT

Asked: December 28, 2020In: Class 10 Science

Name the two types of reproduction.

NCERT Solutions for Class 10 Science Chapter 8 Important Board Questions How do Organisms Reproduce? NCERT Books for Session 2022-2023 CBSE Board and UP Board Very Short Questions Questions No: 13

Rajni Kothari

Asked: December 28, 2020In: Class 10 Maths

Find a quadratic polynomial each with the given numbers as the sum and product of its zeroes respectively.1/4, -1

NCERT Solutions for Class 10 Maths Chapter 2 Important NCERT Questions Polynomials NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 2.2 Page No:33 Questions No:1 Part:1

The amount of air present in a cylinder when a vacuum pump removes ¼ of the air remaining in the cylinder at a time. Is it an AP?

What is the need for a system of control and coordination in an organism?

Statements :- (I) – During reflex action body reacts quickly (II)-In reflex arc response is generated from brain.

Why does carbon atom form a large number of compounds?

(a) Write the function of each of the following parts of human eye: (i) Cornea (ii) Iris (iii) Crystalline (iv) Ciliary muscles (b) Why does the sun appear reddish early in the morning? Will this phenomenon be observed by an astronaut on the Moon? Give reason to justify your answer.

What are hydrocarbons? Give examples.

Check whether the first polynomial is a factor of the second polynomial by dividing the second polynomial by the first polynomial: t²– 3, 2t⁴ + 3t³ – 2t² – 9t – 12

Name the two types of reproduction.

Find a quadratic polynomial each with the given numbers as the sum and product of its zeroes respectively.1/4, -1

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