CSIR Physical Sciences: Questions 273 - 276 of 401

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 401 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 300.00 or

Question number: 273

» Electromagnetic Theory » Reflection and Refraction

Appeared in Year: 2014

MCQ▾

Question

A beam of light of frequency Equation is reflected from a dielectric – metal interface at normal incidence. The refractive index of the dielectric medium is Equation and that of the metal is Equation . If the beam is polarized parallel to the interface, then the phase change experienced by the light upon reflection is – (June – 2014)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 274

» Nuclear and Particle Physics » Binding Energy

Appeared in Year: 2013

MCQ▾

Question

The binding energy of a light nucleus (Z, A) in MeV is given by the approximate formula, Equation where Equation is the neutron number. The value of Z of the most stable isobar for a given A is – (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 275

» Classical Mechanics » Generalized Coordinates

Appeared in Year: 2013

MCQ▾

Question

The numbers of degrees of freedom of a rigid body in d space – dimension is – (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

6

Question number: 276

» Electromagnetic Theory » Electrostatics: Gauss's Law and Its Applications

Appeared in Year: 2013

MCQ▾

Question

Let four point charges Equation be placed at the vertices of a square of side Equation . Let another point charge Equation be placed at the centre of the square (see the figure)

4charges placed at the vertices of a square & 1 point at centre

4charges Placed at the Vertices of a Square & 1 Point at Centre

In figure four charges placed at the vertices of a square and one point charge is placed at the centre of the square.

Let Equation be the electrostatic potential at a point P at a distance Equation from the centre of the square. Then Equation is – (December – 2013)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

1

d.

Equation

f Page
Sign In