LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
B.Sc. DEGREE EXAMINATION – PHYSICS
FIRST SEMESTER – NOVEMBER 2012
MT 1100 – MATHEMATICS FOR PHYSICS
Date : 03/11/2012 Dept. No. Max. : 100 Marks
Time : 1:00 – 4:00
SECTION A
ANSWER ALL THE QUESTIONS: (10×2 =20)
- Find the nth derivative of.
- Write down the formula for subtangent and subnormal.
- Prove that .
- Find the rank of the matrix.
- Show that .
- State the formula for Laplace transformation of a periodic function.
- Write down the expansion for.
- If Show that
- What is the chance that a leap year selected at random will contain 53 Sundays?
- Define Binomial distribution.
SECTION B
ANSWER ANY FIVE QUESTONS: (5×8 =40)
- Find the angle of intersection of cardioidsand.
- Find the minimum and maximum value of the function.
- Find the sum to infinity series.
- Show that the system of equations
are consistent and solve them.
- Find the L(f(t)) if
- Find a) b) .
- Prove that cos8θ = 1- 32sin2 θ + 160sin4 θ-256sin6 θ+128 sin8 θ.
- Find the moment generating function for the Poisson distribution and hence find its
mean and variance.
SECTION C
ANSWER ANY TWO QUESTIONS: (2×20 = 40)
- a) If then Prove that. b) Find the nth derivative of. (10+10)
- If then
- a) Find the characteristic value and characteristic vector of the matrix.
- b) Verify Cayley Hamilton Theorem and find A-1. (10+10)
- a) Express cos5θ sin3θ in terms of sines of multiples of θ.
- b) Separate into real and imaginary parts of tan-1(α+iβ). (10+10)
- a) Solve with using Laplace transform.
- b) An urn contains 6 white, 4 red and 9 black balls. If 3 balls are drawn at random, find the probability that: (i) two of the ball drawn is white; (ii) one is of each colour,
(iii) none is red.
(14+6)
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