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    • Posted by Tanushri Jhod 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Yogita Ingle 7 years, 2 months ago

    Activity of a radioactive substance is the number of disintegration taking place in the given sample per second. The activity of a sample of radioactive nucleus equals to its decay rate (or number of nucleidecaying per unit time).
    Its SI unit is disintegration /s or becquerel.   1 Bq is one disintegration per second.

    1Thank You

    ANSWER

    • Posted by Yuvaraj Singh Thakur 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Praful Sharma 7 years, 2 months ago

    2000ohm metere ineverse

    0Thank You

    ANSWER

    • Posted by Divyanshu Rai 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Tanushri Jhod 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 3 answers

    Adarsh Kumar Singh 7 years, 2 months ago

    coulomb per metre square

    1Thank You

    Ritesh Gadua 7 years, 2 months ago

    I thin coulomb per metre

    1Thank You

    Gaurav Seth 7 years, 2 months ago

    The SI unit of measure is coulombs per square meter (C / m²), and polarization density is represented by a vector P.

    1Thank You

    ANSWER

    • Posted by Shreya Shrivastava 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Harisha Goothy 7 years, 2 months ago

    Its no more in the syllabus

    1Thank You

    ANSWER

    • Posted by Neha Neha 5 years, 10 months ago

    CBSE > Class 12 > Physics
    • 6 answers

    Yo Yo Honey Singh ? 7 years, 2 months ago

    Tesla

    0Thank You

    Tanushri Jhod 7 years, 2 months ago

    Tesla

    0Thank You

    Mansi Sharma 7 years, 2 months ago

    Thanks @shubham for correcting me .

    6Thank You

    Shubham Sharma 7 years, 2 months ago

    Weber is the SI unit of magnetic flux

    1Thank You

    Shubham Sharma 7 years, 2 months ago

    Tesla

    2Thank You

    Mansi Sharma 7 years, 2 months ago

    Weber

    2Thank You

    ANSWER

    • Posted by Shubham Sharma 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Sameer Rawat 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Deeksha Singh 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Ayush Kumar Gupta 7 years, 2 months ago

    this is because there is no potential gradient along any direction parallel to the surface , and so no electric field parallel to the surface. This means that the electric lines of force are always at right angle to the equipotential surface

    3Thank You

    ANSWER

    • Posted by Soumya Subhasree Dash 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Rajat Dhull 7 years, 2 months ago

    Questions may be somehow difficult. No one know what's in CBSE mind

    3Thank You

    ANSWER

    • Posted by Bikshita Dash 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Astha Vyas 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Ishuraj Jaiswal 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 2 answers

    Akshat Sharma 7 years, 2 months ago

    Anas are you from jaora

    0Thank You

    Anas Khan 5 years, 10 months ago

    Hnnn

    2Thank You

    ANSWER

    • Posted by Arti Vishwakarma 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Bharvi Dani 7 years, 2 months ago

    To convert light energy into electical energy

    0Thank You

    ANSWER

    • Posted by Aditi Mondal 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 2 answers

    Kalas Sahu 7 years, 2 months ago

    3600 km

    1Thank You

    Puneet Kr 7 years, 2 months ago

    3600 km

    1Thank You

    ANSWER

    • Posted by ????? ???? 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Rudransh Kalia 7 years, 2 months ago

    Artificial transmutation is the changing or manipulation of a nucleus artificially. The nuclear reaction equation below is an example of artificial transmutation: Nitrogen is bombarded with alpha particles (helium) resulting in the creation of oxygen and hydrogen.

    2Thank You

    ANSWER

    • Posted by Anuj Kumar 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Priya Wadhva 7 years, 2 months ago

    E=V/l (1) t=l/vd (2) q=neAl (3) I=q/t (4) I=neAl/l×vd I=neAvd I=neAeET÷m Where T=torque I=ne2AET/m I=ne2AVT/me

    0Thank You

    ANSWER

    • Posted by Bharti Satnami 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Xy Zx 7 years, 2 months ago

    X - transducer Y- transreciever

    0Thank You

    ANSWER

    • Posted by Ritik Thakur 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Neha Hansraj 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 2 answers

    Yo Yo Honey Singh ? 7 years, 2 months ago

    Logon to CBSE official website that is www.cbse.nic.in

    0Thank You

    Ashish Kumar 7 years, 2 months ago

    Contact me if you want

    0Thank You

    ANSWER

    • Posted by Ankit Raturi 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 2 answers

    Priya Wadhva 7 years, 2 months ago

    Q=200.4MeV

    0Thank You

    Gyandeep Srivastava 7 years, 2 months ago

    released energy

    4Thank You

    ANSWER

    • Posted by Rahul Virat 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 4 answers

    Aakash Panchal 7 years, 2 months ago

    It is the ratio between amplitude message signal and amplitude carrier wave

    0Thank You

    Aakash Panchal 7 years, 2 months ago

    Am/Ac

    0Thank You

    Ankit Raturi 7 years, 2 months ago

    Simple hai per mai btauuu

    0Thank You

    Yo Yo Honey Singh ? 7 years, 2 months ago

    The modulation index (or modulation depth) of a modulation scheme describes by how much the modulated variable of the carrier signal varies around its unmodulated level. It is defined differently in each modulation scheme.

    1Thank You

    ANSWER

    • Posted by Faiz Malik 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Sham Lal 7 years, 2 months ago

    V=37.5 cm Nature: real and inverted Magnification = -37.5/25

    0Thank You

    ANSWER

    • Posted by Akash Singh 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 3 answers

    Bharvi Dani 7 years, 2 months ago

    Resolving power is the least distance of distinct vision with which you can see the object clearly.

    0Thank You

    Sanvi Sharma 7 years, 2 months ago

    ?u is(meau ) nd lameda is wavelength

    0Thank You

    Sanvi Sharma 7 years, 2 months ago

    Resolving power of compound microscope is 2usin of angle /lameda.nd of telescope is D/1.22×(lameda

    0Thank You

    ANSWER

    • Posted by Aman Gupta 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Tanya Singh 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Arin Verma 7 years, 2 months ago

    Decay constant=0.693÷500=0.00138(approximately) 2nd case: T=2.303÷0.00138×log x÷x-3x/4=2.303÷0.00138×0.6020=1004.65s Hope this might help you!!-:)

    0Thank You

    ANSWER

    • Posted by Tejasv G 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Arti Vishwakarma 7 years, 2 months ago

    An AC generator is based on the phenomenal of electromagnetic induction, it state that is a coil is rotated in uniform magnetic field magnetic flux linked with a conductor ( or coil ) and emf is induce in a coil.

    1Thank You

    ANSWER

    • Posted by Tejasv G 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER

    • Posted by Jitendra Jaiswal 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Vinkal Kamboj 7 years, 2 months ago

    Bar magnet is a permanent magnet while a coil behaves as a magnet only when current flows through it

    4Thank You

    ANSWER

    • Posted by Hetal Padhariya 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Saumya Agrawal 7 years, 2 months ago

    Current is ahead of voltage by 90 degree. The power factor is cos90 which means 0 bcoz cos 90 is 0

    0Thank You

    ANSWER

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