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    • Posted by Vikash Vishwal 7 years ago

    CBSE > Class 12 > Physics
    • 0 answers
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    • Posted by Vikash Vishwal 4 years, 6 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Sia ? 4 years, 6 months ago

    Reflection involves a change in direction of waves when they bounce off a barrier; refraction of waves involves a change in the direction of waves as they pass from one medium to another; and diffraction involves a change in direction of waves as they pass through an opening or around a barrier in their path.

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    • Posted by Tania Sharma 7 years ago

    CBSE > Class 12 > Physics
    • 0 answers
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    • Posted by Sakshi Meena 7 years ago

    CBSE > Class 12 > Physics
    • 0 answers
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    • Posted by Mohvijay Jain 7 years ago

    CBSE > Class 12 > Physics
    • 0 answers
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    • Posted by Ritesh Kumar 7 years ago

    CBSE > Class 12 > Physics
    • 1 answers

    Smani ... 7 years ago

    10^-12 F

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    • Posted by Aanchal Kaushik' 7 years ago

    CBSE > Class 12 > Physics
    • 1 answers

    Ashish Nagar 7 years ago

    According to brusters law the tangent of the polarising angle is equal to the refractive index when the angle between the refletand refracted is 90 i.e. U=tan Ip

    1Thank You

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    • Posted by Sãñjü Dïdêl 7 years ago

    CBSE > Class 12 > Physics
    • 2 answers

    Saumya Agrawal 7 years ago

    Study the graphs of nuclear binding energy very carefully And also practice some numericals related to decay

    1Thank You

    Divyanshu Sahu 7 years ago

    Radius and velocity of nth orbital wala derivation pura phad le na

    2Thank You

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    • Posted by Animesh Mukherjee 7 years ago

    CBSE > Class 12 > Physics
    • 1 answers

    Arpit Yadav 7 years ago

    It's not "E= yum c square" , its E=mc² (Theory of Relativity) It means that Energy equals mass times the speed of light squared." On the most basic level, the equation says that energy and mass (matter) are interchangeable; they are different forms of the same thing. Under the right conditions, energy can become mass, and vice versa.

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    • Posted by Muskan Muskan 7 years ago

    CBSE > Class 12 > Physics
    • 0 answers
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    • Posted by Lucky Teotia 7 years ago

    CBSE > Class 12 > Physics
    • 0 answers
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    • Posted by Ashutosh Joshi 7 years ago

    CBSE > Class 12 > Physics
    • 2 answers

    Smani ... 7 years ago

    UV rays

    0Thank You

    Manish Yadav 7 years ago

    Uv rays

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    • Posted by Kanupriya Gupta 7 years ago

    CBSE > Class 12 > Physics
    • 1 answers

    Ashutosh Joshi 7 years ago

    When switch is close sinusodial voltage will cause current to flow zero to max. It being delayed by self induction and current delayed by 90 degree

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    • Posted by Abhishek Kumar 7 years ago

    CBSE > Class 12 > Physics
    • 2 answers

    Yogita Ingle 7 years ago

    The inverse of resistance is known as conductance.
    It is measured in a unit called Siemens represented by the symbol ‘S’ .
    It is equal to ohm–1 also known as mho or Ω –1.
    The electrical conductance depends on:
    1. Nature and structure of the metal
    2. Number of valence electrons per atom
    3. Electrical conductance decreases with increase of temperature and vice versa.

    0Thank You

    Deepak Jindal 7 years ago

    mho or ohm spells backward

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    • Posted by Ritika Gurung 7 years ago

    CBSE > Class 12 > Physics
    • 0 answers
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    • Posted by Ritika Patil 7 years ago

    CBSE > Class 12 > Physics
    • 2 answers

    Ritika Patil 7 years ago

    Thanks?

    0Thank You

    Manish Yadav 7 years ago

    Since power loss is equal -- I square R T so in the case of a Ac . we can decrease the current (I) by using a step up transformer which will result in lesser power loss

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    • Posted by Sanjay Agarwal 7 years ago

    CBSE > Class 12 > Physics
    • 0 answers
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    • Posted by Mayank K. Mahour 7 years ago

    CBSE > Class 12 > Physics
    • 1 answers

    Sanjay Agarwal 7 years ago

    5 marks

    4Thank You

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    • Posted by Mayank K. Mahour 7 years ago

    CBSE > Class 12 > Physics
    • 2 answers

    Shama Shama Sheikh 7 years ago

    Important topic is block diagram of communication and sky wave,, modulation and de modulation

    1Thank You

    Ritika Patil 7 years ago

    As the weitage is 5 marks and there are many things to ask other than that and internet is not imp

    1Thank You

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    • Posted by Tarun Gulia 7 years ago

    CBSE > Class 12 > Physics
    • 0 answers
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    • Posted by Tarun Gulia 7 years ago

    CBSE > Class 12 > Physics
    • 1 answers

    Ritika Patil 7 years ago

    On increasing intensity as it observes that current also increases as the number of photoelectron emited increase hence photoelectric current increase

    2Thank You

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    • Posted by Dheeraj Manral 7 years ago

    CBSE > Class 12 > Physics
    • 1 answers

    Shama Shama Sheikh 7 years ago

    Non ohmic circuit example is gallium arsnide and pn junction

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    • Posted by Madhukar Kumar Singh 7 years ago

    CBSE > Class 12 > Physics
    • 1 answers

    Anurag Rana 7 years ago

    It states that the line integral of magnetic field induction over a close loop is equal to u0 times the current threading through it

    1Thank You

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    • Posted by Ruby Sharma 7 years ago

    CBSE > Class 12 > Physics
    • 0 answers
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    • Posted by Mohd Lukka 7 years ago

    CBSE > Class 12 > Physics
    • 0 answers
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    • Posted by Yash Surya 7 years ago

    CBSE > Class 12 > Physics
    • 1 answers

    Aryan Rai 7 years ago

    Does it resistance or resistivity? Can you clearify that?

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    • Posted by Gaurav Singh Thakur 5 years, 8 months ago

    CBSE > Class 12 > Physics
    • 0 answers
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    • Posted by Harshit Pratap Singh 7 years ago

    CBSE > Class 12 > Physics
    • 2 answers

    Vivek Bhardwaj 7 years ago

    My opinion is that firstly u clear ncert and than a valuable book 'physics scanner '.... in which u get 10+ years previous board questions which can help u lot....

    1Thank You

    Apoorv Pandey 7 years ago

    Dear first of you have to complete ncert and then after you can refer for Arihant chapterwise for physics and it is best upto my concern.... Rest upon u....

    4Thank You

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    • Posted by Arti Vishwakarma 7 years ago

    CBSE > Class 12 > Physics
    • 1 answers

    Garima Khare 7 years ago

    When a current carrying conductor is placed in a magnetic field it experiences torque on it.

    1Thank You

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    • Posted by Monu Kumar 7 years ago

    CBSE > Class 12 > Physics
    • 1 answers

    Rajat Dhull 7 years ago

    Agar final mein bhi spelling doubel likh di to galat impression jaega checker k upar aur marks kat jaenge.

    6Thank You

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