KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Physics: Questions 107 - 110 of 253

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Question number: 107

» Atoms and Nuclei » Isotopes

Appeared in Year: 2014

MCQ▾

Question

Consider the following statements. The correct statement regarding an isotope is,

(i) All isotopes of an element have the same number of neutrons

(ii) Only one isotope of an element can be stable and non-radioactive

(iii) All elements have isotopes

(iv) All isotopes of Carbon can form chemical compounds with Oxygen-16

Select any one of following,

Choices

Choice (4) Response

a.

(ii) and (iv) are correct

b.

(i), (ii) and (iii) are correct

c.

(iii) and (iv) are correct

d.

(i) and (iii) are correct

Question number: 108

» Kinematics » Relative Velocity

Appeared in Year: 2014

MCQ▾

Question

In the following displacement (x) vs time (t) graph, at which among the points P, Q, and R is the object’s speed increasing?

Graph of displacement (x) vs time (t)

Graph of Displacement (X) vs Time (T)

In figure graph of displacement (x) vs time (t) is shown. P, Q and R are points among the graph.

Choices

Choice (4) Response

a.

R only

b.

P, Q, R

c.

P only

d.

Q and R only

Question number: 109

» Ray Optics » Total Internal Reflection

Appeared in Year: 2013

MCQ▾

Question

A ray of light incident on a transparent sphere at an angle and refracted at an angle r, emerges from the sphere after suffering one internal reflection. The total angle of deviation of the ray is.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 110

» Ray Optics » Total Internal Reflection

Appeared in Year: 2014

MCQ▾

Question

A ray of light incident parallel to the base PQ of an isosceles right-angled triangular prism PQR suffers two successive total internal reflections at the face PQ and QR before emerging reversed in direction as shown.

ray of light istravelling through right-angled triangularprism

Ray of Light Istravelling Through Right-Angled Triangularprism

Figure shows a ray of light is travelling through isosceles right-angled prism PQR by suffering two successive total internal reflections.

If the refractive index of the material of the prism is μ, then

Choices

Choice (4) Response

a.

b.

c.

d.

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