Physics for IITJEE:Objective Questions

1. In an SHM,x is displacement and y is acceleration at time t.The curve of y agianst x for one complete oscillation will be
a. An ellipse
b. A circle
c. A straight line
d. A sinusoidal curve

2.At 0° C a body emits
a. No radiation
b. All wavelenghts
c. only visible light
d. only microwave radiation

3.A person 6 feet in height can see his full size erect image in a mirror 2 feet in height.This mirror has to be
a. plane or convex
b plane or concave
c. Necessarly convex
d. Necessarly concave

4. A parallel plate capacitor is made by stacking m equally spaced plates connect alternately.If the Capacitance between any two plates is C.Then the resultant capacitance is
a. C
b. mC
c.(m+1)C
d (m-1)C

5.The radioacativity of a sample is R1 at time t1 and R2 at time t2.Mean life of the specimen is T.The numbers of atoms that have disintegrated is the time interval(t2-t1)
a. R1t1-R2t2
b.R1-R2
c.(R1-R2)/T
d..(R1-R2)T

Physics for IITJEE: Detailed Solutions


Hello Friends

We have been continuously updating the blog of lots of questions spanning various topics in physics. So far we have given around 600 questions in the blogs spanning various topics.
Till now we have been giving hints and answer to the questions given in the blog Now we have start adding the detailed solutions of few question in old post. So now you can get detailed solutions for free


I will be adding the detailed solutions in the post itself.Please check individual post for them

So far details solutions are added in Mechanics and Thermodynamics.Do check the details solutions

Index is given at the right hand side of the blog.You can click for thermodynamics and mechanics modules there.

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