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difference all three type of collision
Posted by Gaurav Khatri (Dec 11, 2017 5:10 a.m.) (Question ID: 109047)

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Hi
Posted by Khushboo Garg (Dec 11, 2017 1:23 a.m.) (Question ID: 109020)

  • Hi
    Posted by Akash Jakhar (Dec 11, 2017 6:05 a.m.)
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  • Hi
    Answered by Aditya Raj (Dec 11, 2017 6:58 a.m.)
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Circular motion
Posted by Ankit Aman (Dec 11, 2017 12:15 a.m.) (Question ID: 109006)

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  • An single object moving in circular path
    Answered by Aditya Raj (Dec 11, 2017 6:57 a.m.)
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write the relation between electron volt and joule
Posted by Ashu Chouhan (Dec 10, 2017 9:56 p.m.) (Question ID: 108852)

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Ellipse of hyperbola
Posted by Vetri Parameswaran (Dec 10, 2017 9:55 p.m.) (Question ID: 108851)

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What is the effect of temperature on the angle of contact of capillary tube
Posted by Devansh Agrawal (Dec 10, 2017 9:14 p.m.) (Question ID: 108769)

  • Angle of contact increases with the increase in temperature
    Posted by Tannu Bhardwaj (Dec 11, 2017 6:32 a.m.)
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Explain carnot heat engine briefly
Posted by Rohit Rawat (Dec 10, 2017 8:44 p.m.) (Question ID: 108711)

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What are the limitations of Bernoulli principle ?
Posted by Stuti Trivedi (Dec 10, 2017 8:14 p.m.) (Question ID: 108629)

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What is temp.of vaccume
Posted by Kanchan Lata (Dec 10, 2017 7:45 p.m.) (Question ID: 108557)

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Define modulus of elasticity and units and measurements
Posted by Sharul Sharma (Dec 10, 2017 7:31 p.m.) (Question ID: 108518)

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If net external force acting on the system of particle is 0 then it will effect what?
Posted by Vidhu Yadav (Dec 10, 2017 7:20 p.m.) (Question ID: 108488)

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  • Then particle is at rest
    Answered by Himanshu Sudhakar (Dec 10, 2017 11:33 p.m.)
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  • The body may acquire rotational motion
    Answered by Dipens Rajput (Dec 10, 2017 7:29 p.m.)
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  • Also the internal forces if any would cancel out themselves according to the newton's third law. So they need not be considered
    Answered by Sehajbir Singh (Dec 10, 2017 7:26 p.m.)
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  • It would imply conservation of linear momentum.
    Answered by Sehajbir Singh (Dec 10, 2017 7:24 p.m.)
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Young modules of elasticity
Posted by Rajendra Prasad (Dec 10, 2017 7:18 p.m.) (Question ID: 108482)

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A gas is contained in a vessel fitted with a movable piston. The container is placed on a hot stove. A total of 100 cal of heat is given to the gas and the gas does 40 J of work in the expansion resulting from heating. Calculate the increase in internal energy in the process
Posted by Harishankar Raj (Dec 10, 2017 6:51 p.m.) (Question ID: 108401)

  • If ans is write then don't forget to comment
    Posted by Kanchan Lata (Dec 10, 2017 9:46 p.m.)
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  • Increase in internal energy is equal to 378j,
    Answered by Kanchan Lata (Dec 10, 2017 9:45 p.m.)
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Betnaulli theorem derivation and it's application
Posted by Navneet Kumar (Dec 10, 2017 6:45 p.m.) (Question ID: 108387)

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Application of 1st law of thermodynamics to boiling of liquids
Posted by Akshay Kumar (Dec 10, 2017 6:28 p.m.) (Question ID: 108339)

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What is heat energy
Posted by Mangat Prabal (Dec 10, 2017 6:22 p.m.) (Question ID: 108328)

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  • The energy in the form of heat
    Answered by Kanchan Lata (Dec 10, 2017 7:26 p.m.)
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Find the angle between the vectors A=9 icap + 3 jcap+ 6kcap and B=icap-2jcap+3kcap
Posted by Sahil Raut (Dec 10, 2017 4:29 p.m.) (Question ID: 108158)

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  • Which is right?
    Answered by Sahil Raut (Dec 10, 2017 8:22 p.m.)
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  • 60°
    Answered by Durga Sharma (Dec 10, 2017 6:13 p.m.)
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  • 33°
    Answered by Himanshi Singla (Dec 10, 2017 6:13 p.m.)
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What is quantity
Posted by Krish Gupta (Dec 10, 2017 2:33 p.m.) (Question ID: 108045)

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What is the nature of force involved in the winding of a watch
Posted by Ishika Singh (Dec 10, 2017 2:20 p.m.) (Question ID: 108031)

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What is the angle made by i+j with X axis
Posted by Ishika Singh (Dec 10, 2017 1:10 p.m.) (Question ID: 107951)

  • Take dot product
    Posted by Samyak Jain (Dec 10, 2017 1:14 p.m.)
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  • 45 degree
    Answered by Dipens Rajput (Dec 10, 2017 7:32 p.m.)
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  • 45 degree
    Answered by Samyak Jain (Dec 10, 2017 1:13 p.m.)
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find the time in which an object reaches the velocity 54km/h from 10m/sec without an accerlation of 2m/sec²
Posted by Vishesh Sidhu (Dec 10, 2017 12:28 p.m.) (Question ID: 107912)

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Hund,s law
Posted by Aditya Mane (Dec 10, 2017 12:04 p.m.) (Question ID: 107891)

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  • It states that firstly the all subshells of the electrons were filled with one electrons and then pairing starts
    Answered by Mansi Gupta (Dec 10, 2017 3:31 p.m.)
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  • But according to its subshell properrt
    Answered by Wallabh Umrekar (Dec 10, 2017 3:09 p.m.)
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  • Every vacant shell should be filled sequencely
    Answered by Wallabh Umrekar (Dec 10, 2017 3:08 p.m.)
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Stress
Posted by Harpreet Gill (Dec 10, 2017 11:44 a.m.) (Question ID: 107861)

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  • Stress is defined as the external force applied on object per unit area
    Answered by Mansi Gupta (Dec 10, 2017 1:12 p.m.)
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What anamolous behaviour do water have?
Posted by Shaik Shahid (Dec 10, 2017 11:43 a.m.) (Question ID: 107858)

  • It contracts between 0degree and 4 degree
    Posted by Akshay Kumar (Dec 10, 2017 6:30 p.m.)
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  • Generally,matter expands on heating and contract on cooling.water also expands on heating if its temperature is greater than 4°C.However water contracts in the temperature range 0°C to4°C.The behaviour of water in the this temperature range is called anomalous behaviour of water.
    Answered by Durga Sharma (Dec 10, 2017 6:31 p.m.)
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Why the angle of contact is zero between pure water and clean glass surface ?
Posted by Divyanshu Gupta (Dec 10, 2017 11:19 a.m.) (Question ID: 107829)

  • But surface tension kaise hoga. Pls explain it. Yr
    Posted by Kanchan Lata (Dec 10, 2017 9:49 p.m.)
  • Bcoz of its surface tension
    Posted by Devansh Agrawal (Dec 10, 2017 9:13 p.m.)
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Parallel plate capacitee
Posted by Karanvir Singh (Dec 10, 2017 8:42 a.m.) (Question ID: 107650)

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Kainametics
Posted by Inzamamul Shaike (Dec 10, 2017 7:32 a.m.) (Question ID: 107585)

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  • Kinematics is available in physics
    Answered by Wallabh Umrekar (Dec 10, 2017 3:14 p.m.)
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What is potential energy spring with derivation
Posted by Mahesh Jst (Dec 10, 2017 6:46 a.m.) (Question ID: 107553)

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What is the expression of vector form of newton law of gravitation?
Posted by Kaushik Vishwakarma (Dec 09, 2017 11:47 p.m.) (Question ID: 107495)

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What is the formula of ring
Posted by Kriti Srivastava (Dec 09, 2017 11:46 p.m.) (Question ID: 107494)

  • moment of inertia of ring - MR ka square
    Posted by Akhilesh Kashyap (Dec 10, 2017 12:13 a.m.)
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  • MR^2
    Answered by Divyanshu Gupta (Dec 10, 2017 11:25 a.m.)
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