Enfant India International School. Sub-Physics. M.marks-20

Question-1 find the units of following physical quantities?(5)
a.Momentum
b.speed.  c.acceleration d.Force 
e.Work.          
Question-2 Define the following terms
a.Acceleration b.Retardation c.Force (3)
Question-3 Convert 1 Angstrom into Micron (4)
Question-4  Find the distance between the space and earth if a signal reaches on earth with the speed of light in 5 minutes?(4)
Question-5 Prove all three equations of motion?(4)

Comments

Post a Comment

Popular posts from this blog

Enfant India International School. Class test. Sub-Physics. M.marks-20

Question.1 Give two examples of each 1.Contact force.      2.Non Contact Force (2).                                                               Question.2 State and prove Work Energy Theorem?  (3) Question.3 Establish the relationship between Force and Power?(3) Question.4 Define Centre of gravity with example?(2) Question.5 Convert 1 kwh into joule?(3) Question.6 Explain why work is a scalar quantity?(2) Question.7 Prove that for a freely falling body mechanical energy remains constant?(5)
Read more

Enfant India International School. Ist unit test. Class-11th. Subject-Physics. . M.marks-40

Question.1 Write down the drawbacks of dimensional analysis method?(3) Question.2 In Vanderwall's gas equation find the dimension of a and b? (3) Question-3 find the dimensions of  a.Stokes Constant b.Boltzmann's constant c.Gas constant. d.Universal Gravitational constant e.Young's modulus (10) Question-4 if v=a+bt+c/d+t is the velocity time equation then find the dimensions of a,b,c and d.(4) Question.5 Convert 1 joule into erg.(3) Question.6 Convert 1 Newton into Dyne (3) Question.7 By Dimensional analysis method check the correctness of all the equations of Newton?(4) Question.8 Prove that for a freely falling body the equation h=1/2 gt is incorrect and establish the correct equation?(6) Question-9 Establish by dimensional analysis method the formula for Centripetal force?(4)
Read more

Enfant India International School. First Unit test .. Class-10th. Subject-Physics. M.marks-40

Question 1 Explain why Gravitational force is non contact?(3) Question 2 Is Frictional Force a Contact force?Explain why?(2) Question 3 Prove Work Energy Theorem?(3) Question 4 Prove that Power=Force×velocity?(2) Question 5 Prove that for a freely falling body mechanical energy remains constant?(5) Question 6 Define Refraction and Explain why does it happen?(3) Question 7 Explain why refractive index is unitless?(2) Question 8 Explain the energy transformation in 1.Transistor 2.Torch 3.Electric iron (6) Question 9 Explain Soddy Fazan's group displacement law?(4) Question 10 What do you mean by half life time?(3) Question 11 Difference between Nueclear Fission and Fusion?(3) Question 12 How much time Radium will take to remain 25% of original mass if it's half life is 10 years?(4)
Read more