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Srishti Choudhary ✍⏳ 6 years, 4 months ago

M also agree with Rohan...

Harshit Joshi 6 years, 4 months ago

Are yr 45min study kr phir 15min enjoy then after repeat this for all subject

Sanjay Kumar 6 years, 4 months ago

Firstly , write your activities what u have to do and priortize it . And remember do not make a time table of time ie, Study phy from 6:00 to 7:00 . And one more thing u can also browse Youtube channels of sandeep maheshwari for motivation and life problems , aman dhattarwal for cbse exam prep .and oher but don't maked it a habit Thank u

Adarsh Dubey 6 years, 4 months ago

Right

Řøhăň Řąjpůť ✌️✊ 6 years, 4 months ago

apka time table koi dusra suggest kese kar skta hai... vo aap khud better prepare kar logi... but I can suggest u that tough subject ko starting time do aur lenient subject ko end timing do.

ANSWER

What is the resistance

Posted by A C 6 years, 4 months ago

CBSE > Class 12 > Physics

1 answers

Khushi Singh 6 years, 4 months ago

It is defined as the ratio of potential difference applied across the ends of the condutor to current R=v/I

ANSWER

6 6 Their are two charges 1× 10 &5 ×10 . the ratio of the forces acting on them will be

Posted by Sarita Pal 6 years, 4 months ago

CBSE > Class 12 > Physics

2 answers

Durgesh Chaudhary 6 years, 4 months ago

Ron Vineetahuja 6 years, 4 months ago

F= Q1 Q2 upon 4 Pi Epsilon

ANSWER

Sir is logic gates are excluded or included in 2019-20 syllabus

Posted by Ashish Patel 6 years, 4 months ago

CBSE > Class 12 > Physics

4 answers

Dharmbir Rathee 6 years, 4 months ago

It was removed from syllabus by CBSE Not by other boards

Deeya Singh 6 years, 4 months ago

Yes

Bhushan Kumar Nidhi 6 years, 4 months ago

Yeah it's in

Avi Dixit 6 years, 4 months ago

Excluded

ANSWER

Kirchhoff's law

Posted by Îťš Ãķšhâý 6 years, 4 months ago

CBSE > Class 12 > Physics

7 answers

Shikha Maurya 6 years, 4 months ago

1.Junction rule- At any junction,the sum of the current entering the junction is equal to the sum of current leaving the junction 2. Loop rule- The algebraic sum of changes in potential around any close loop involving resistors and cells in the loop is zero

Bhushan Kumar Nidhi 6 years, 4 months ago

1 law is known as voltage law and 2nd one is loop law

Bhushan Kumar Nidhi 6 years, 4 months ago

1 st and 2nd law

Bhushan Kumar Nidhi 6 years, 4 months ago

In kirchff law 2 types are there

Vikas Semwal 6 years, 4 months ago

1)amount of current incoming is equal to the amount of current outgoing 2)if in the open circuit EMF are situated in opposition then both the EMF are equal

Vikas Semwal 6 years, 4 months ago

1) amount of current incoming is equal to the amount of current outgoing

Anuradha Chhonkar 6 years, 4 months ago

1- it state that at any junction or at any point the sum of all current is zero . i.e.all entering current is equal to all leaving current 2- it state that in any closed circuit or loop the algebric sum of all E.M.F. is equal to algebric sum of all potential difference.

ANSWER

Plot a graph to show the variation of impedance against frequency in LR cct across on ac source

Posted by Ankush Kumar 6 years, 4 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

how to score 100 out of 100 in physics

Posted by Surender Kumar Bishnoi 6 years, 4 months ago

CBSE > Class 12 > Physics

5 answers

Řøhăň Řąjpůť ✌️✊ 6 years, 4 months ago

pehle *

Řøhăň Řąjpůť ✌️✊ 6 years, 4 months ago

phele aa Jaye fir bta dunga.

Arpit Kushwaha 6 years, 4 months ago

By reading ncert Book properly and solve last year que paper and some topic read to the refresher properly

Charu Nagar 6 years, 4 months ago

Not only by reading ncert as well as physics chapter wise and refresher

Khushi Meel 6 years, 4 months ago

By reading NCERT book deeply and practice previous year question

ANSWER

Magnetism tak formulae

Posted by Sahil Bhai 6 years, 4 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Define 1faraday

Posted by Sarvesh Kaushal 6 years, 4 months ago

CBSE > Class 12 > Physics

2 answers

Anuradha Chhonkar 6 years, 4 months ago

If one volt potential is require to moving one coloumb charge than capistance of that system is one faraday

Yogita Ingle 6 years, 4 months ago

Faraday is the quantity of electricity that is capable of depositing or liberating 1 gram equivalent weight of a substance in cathode during electrolysis.
It is represented by symbol F.

1F is approximately equal to 9.6494 × 10⁴ coulombs.

ANSWER

What is rey

Posted by Yogita Bhoye 6 years, 4 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Why does a sope bubble show beautiful colours,when illuminated by white light?

Posted by Shikha Maurya 6 years, 4 months ago

CBSE > Class 12 > Physics

2 answers

Ron Vineetahuja 6 years, 4 months ago

Because white light has seven colors and due to white light interference pattern is colored

Yogita Ingle 6 years, 4 months ago

The colors are seen in a soap bubble which arises due to interference of light. The interference occurs due to light reflecting off the front of the thin soap films and back surface of the thin soap films.

Therefore, a soap bubble shows colors when illuminated with white light. This is due to interference.

ANSWER

What is monochromatic wave?

Posted by Shikha Maurya 6 years, 4 months ago

CBSE > Class 12 > Physics

2 answers

Ron Vineetahuja 6 years, 4 months ago

Monochromatic wave is the single wavelength having both bright and dark fringes

Aayushmaan Singh 6 years, 4 months ago

It is the wave with single wavelength.The word mono stands for it.

3Thank You

ANSWER

Which material is used for metre bridge wire and why

Posted by Preeti Baliyan 6 years, 4 months ago

CBSE > Class 12 > Physics

2 answers

Anuradha Chhonkar 6 years, 4 months ago

Maganin and constanton.

Yogita Ingle 6 years, 4 months ago

The material of wire used in meter bridge is made of manganin or eureka due to there high specific resistance or resistivity. Thick copper strips are used in meter bridge because copper is a good conductor of electricity.

ANSWER

Define plane of a mirror

Posted by Khushi Singh 6 years, 4 months ago

CBSE > Class 12 > Physics

1 answers

Ishan G❤ 6 years, 4 months ago

It is definition on ch. Optics in physics

ANSWER

Types of telescopes with their description

Posted by Krishna Agarwal 6 years, 4 months ago

CBSE > Class 12 > Physics

1 answers

Ron Vineetahuja 6 years, 4 months ago

Telescope in Normal adjustment and in least distance of distinct vision. Reflecting type Telescope

ANSWER

Date of practical class 12

Posted by Vishal Chand 6 years, 4 months ago

CBSE > Class 12 > Physics

2 answers

Tez Rez 6 years, 4 months ago

Expected dates r after 15th December

Tez Rez 6 years, 4 months ago

There is no official announcement by CBSE yet

ANSWER

I have to prepare a project file till Diwali btt I am confused ki kis topic pr bnau ?? Need hlp

Posted by Amol Gùpta 6 years, 4 months ago

CBSE > Class 12 > Physics

12 answers

Ron Vineetahuja 6 years, 4 months ago

Ac generator

Ron Vineetahuja 6 years, 4 months ago

Aap apne school se bnva lo

Řøhăň Řąjpůť ✌️✊ 6 years, 4 months ago

always welcome sis. ?

Řøhăň Řąjpůť ✌️✊ 6 years, 4 months ago

effect of mass on terminal velocity. Best hai

Řøhăň Řąjpůť ✌️✊ 6 years, 4 months ago

testing gauss law.

Řøhăň Řąjpůť ✌️✊ 6 years, 4 months ago

ruk sochta hoon... accha he bataaunga. ??

Amol Gùpta 6 years, 4 months ago

Bhai ye abhi pda nhi h Maine so it's difficult to prepare a project file on that wave optics tkk ka kch bta

Řøhăň Řąjpůť ✌️✊ 6 years, 4 months ago

are there any cosmic rays at high altitude... haat ke topic hai legi toh accha rahega... avoid common topics.

Tez Rez 6 years, 4 months ago

Transformers is a nice topic for project

Vishal Chand 6 years, 4 months ago

???☺️??? earth magnetism?

Amol Gùpta 6 years, 4 months ago

physics

Vishal Chand 6 years, 4 months ago

Which subject

4Thank You

ANSWER

Three cells of emf E,2E,5E find the equivelent if all are connected in series??

Posted by Raman Brar 6 years, 4 months ago

CBSE > Class 12 > Physics

1 answers

Tez Rez 6 years, 4 months ago

It is simply E+2E + 5E = 8 E

ANSWER

Where will class 12 th practical conducted in our school or in other school

Posted by Adavya Kayasth 6 years, 4 months ago

CBSE > Class 12 > Physics

6 answers

Arpit Kushwaha 6 years, 4 months ago

Own school

Řøhăň Řąjpůť ✌️✊ 6 years, 4 months ago

only Delhi region have external practical.. rest have internal practical exams.

Ishan G❤ 6 years, 4 months ago

Our own schl

Tez Rez 6 years, 4 months ago

There is no official confirmation by CBSE yet but expected is that they will be conducted in our respective schools and will be held in external centres from nxt year

Anuradha Chhonkar 6 years, 4 months ago

No it is confirmed that practical our practicals will conducted in our own school

3Thank You

Areeba Nezam 6 years, 4 months ago

Other school