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TEST MM - 10                     TIME - 1 minute                                       (just asking my doubts)
1) What effect alpha and beta particle have in mass no. and atomic no.     [2 marks]
2)Specific heat capacity of water   --   4.2 or 4186                                       [1 marks]
3) Factors on which radii of curvature depends.                                           [2 marks]
4) 2 reason for laminating core of Transformer                                            [2 marks]
5) Ratio of ionizing power of alpha, beta and gamma                                   [3 marks]
asked by Ansh Anand (teleansh) 5 years ago
1

+ 1 more questions by teleansh  

What purpose is served by the terminals of three way pin plug?
asked by Vindhya Badal (_itsme_) 5 years ago
4
A small suggestion here(You may be doing it already)

While drawing ray diagrams, try drawing the lens using protractor, and you'll get perfectly equi-convex/concave lenses. I used to draw them using compass and it was a mess.

P.S. Don't forget those tiny little arrow-heads!
asked by Prateek Pradhan (prateek235) 5 years ago
2

+ 1 more questions by prateek235  

Why does the focal length of a convex lens remain unchanged even when half of it is covered ?
asked by Aiyra Baig (aiyra) 5 years ago
2
If we have to draw a diagram for Snell's LAW(only the sin i/sin r, rt? cause only one), should we just draw light travelling from a denser to a rarer medium, mark angles of incidence and refraction and state the law, or is there some other diagram??
asked by Ashish Mathew (ash_matt) 5 years ago
1
I haven't started numericals yet... Any ideas how I should approach them?
asked by Sahaj Shah (eternityseeker) 5 years ago
2
Ok so if anyone is so kind enough to tell me when to convert kgf to N or even when g= 10m/s^2 is given, when should we convert. and is it necessary to convert to g from kg when solving for the Work done (Kinetic or potential energy.) I know its a silly doubt, but please help me.
asked by Aditi RK (sciencegeek) 5 years ago
5
How many chapters have you studied in physics?
asked by (godblessme20) 5 years ago
2
which prism causes total internal reflection and refraction
asked by Varun Khadpe (varunkhadpe) 5 years ago
2
Radioactivity is a nuclear phenomenon.comment on the statement.
asked by Arun Munagala (cyberking7) 5 years ago
2

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