NCERT Solutions for Science Class 10 | Reflection and Refraction | Light | CBSE Physics Class 10| L7

NCERT Solutions for CBSE Science Class 10 | Reflection and Refraction | Light | Physics Class 10 | Lecture-7 | Vedantu NCERT Class 10 Science Solution.

In today's video, Abhishek Sir will teach you to prepare for CBSE Board Exam 2020. Abhishek Sir will go through all the Class 10 Science (Physics) Chapter 10-"Light - Reflection and Refraction NCERT Solutions Exercises, Questions 10,11 and 12" with proper explanation. This will help you to prepare for the CBSE 2020 Board Exam.

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Light - Reflection and Refraction | CBSE Class 10 Physics NCERT Solutions Exercises, Questions 10,11 and 12 | Umang Vedantu Class 9 and 10. Abhishek sir takes you through Physics Light Class 10 Chapter 10 Reflection and Refraction NCERT Solutions Exercises, Questions 10,11 and 12. Questions of light reflection and refraction class 10 NCERT Solutions are explained in this video. The Chapter Light deals with different topics such as Reflection, Refraction, Virtual Erect, Diminished, Laterally Inverted, Lens, Concave Lens, Convex Lens, Plane Mirror, Concave Mirror, Convex Mirror, Refraction, Laws Of Refraction, Prism, Centre Of Curvature, Principle Axis, Radius Of Curvature, Poles, Aperture, Focus, Magnification, Power Of Lens, Focal Length, Refractive Index, Denser Medium, Rarer Medium, Angle Of Incidence, Angle Of Reflection, Angle Of Refraction, Critical Angle, Sign Convention, Lens Formula, Mirror Formula, Dioptre.

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[kavitarani]

There is mistake in last question's answer the focal length of convex mirror should be +ve

[monikachauhan]

Sir for the last Question, focal length should be negetive and v will be +6 then

[AnitaKumari-gcoi]

11:57
Sir, in question that is CONVEX MIRROR. But, you have used lens formula instead of miror formula and taken focal length as -15, it is convex mirror and it have to be +15
And in magnification formula
For miror it is -v/u but you have used v/u.


Edit :- 🙂

[harshsrivastava]

Sir in question 12 answer should be positive 6 cm not negative image will be formed behind the mirror

[lathanrchandra]

Hi Sir,
in the 12th problem, you have mentioned f=-15cm . How is that ' f ' negative bcoz focal length is on the positive side of the convex mirror . sir pls let me know about this you

[crafty_]

Sir last ques. Me v positive hai and magnification bhi

[radhasridharan]

Superb session sir
Enjoyed it 🙂
Sir for the last question the focal length is positive but you wrote Negative :))

[JagrutVasi]

Concave lens - ved
Convex lens - R I d/s/e

[DharmendraSingh-uled]

Your teaching methods is amazing.. sir ji 🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏

[rakesh]

Short trick <><> f=+ve convex. Lens and mirror F=-ve concave lens and mirror

[monikachauhan]

Sir for the last Question, focal length should be negetive and v will be +6 then y

[JagrutVasi]

12:30 V ki value
12:38 V ki value (?)

[Shivaprasad-shzq]

sir you have made a mistake in 13:14

v must be positive in a convex mirror as it is virtual and formed behind the mirror

magnification's formula is -v/u
your answer is wrong
others kindly check it

[harshitadeepak]

Sir you have mentioned -15 of focal length in Q-12 which is absolutely wrong coz focal length of convex morrir is always in postive due to that, magnification's formula is also written wrong it must be m=-v/u from that we got -6/-10 and than our answer will be 0.6 coz minus-minus will be cuted.
Thank u so much sir for that much good explanation ❤

[deveshpandey]

Sir 12 questions is wrong the answer is v=+6 because you have taken lens formula on the place of mirror formula, 11:55

[nityaamodi]

Sir in question 11, we are being provided with the image distance .. not the object distance

[nikhilprasun]

In the last question...
V=+6 cm ... Not -6cm(its a convex mirror....)

[santoshtiwari]

Sir last question me aapne lens formula use kr liya

[Thunder_Volt]

The session starts from 2:06
Hope it helps 🙏 🙂
Thanks, me later ☺️

[mainabishnoi]

Sir last question is wrong
You wrote v is equal to -6 but v is equal to 6
Also m is equal to -v/u you wrote m is equal to v/u i.e lens formulae.. 🙄🤭