KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Physics: Questions 4 - 7 of 253

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 253 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 200.00 or

Question number: 4

» Ray Optics » Lens Maker's Formula and Lens Formula

Appeared in Year: 2011

MCQ▾

Question

A convex lens is used to form an image of an object on a screen. If the upper half of the lens is blackened so that it becomes opaque, then

Choices

Choice (4) Response

a.

the image position shifts towards the lens

b.

the image position shifts away from the lens

c.

only half of the image will be visible

d.

the brightness of the image reduces

Question number: 5

» Work, Energy and Power » Work-Energy Theorem

Appeared in Year: 2011

MCQ▾

Question

A body of 0.5 kg moves along the positive x-axis under the influence of a varying force F (in Newton) as shown below.

Graph of force F (in N) ⟶ distance x (in cm)

Graph of Force F (In N) ⟶ Distance X (In Cm)

In figure a graph of a moving body along x-axis under the influence of a varying force F (in N) is shown.

If the speed of the object at x = 4 m in 3.16 ms –1 then its speed at x = 8m is,

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 6

» Kinematics » Uniform and Non-Uniform Motion

Appeared in Year: 2011

MCQ▾

Question

A juggler tosses a ball up in the air with initial speed u. At the instant it reaches its maximum height H, he tosses up a second ball with the same initial speed. The two balls will collide at a height.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 7

» Current Electricity » Electric Current

MCQ▾

Question

Consider a circuit below. The bulb will light up if

Circuit diagram consist of three switches and a bulb

Circuit Diagram Consist of Three Switches and a Bulb

Figure shows a circuit of three switches and a bulb.

Choices

Choice (4) Response

a.

S 1, S 2 and S 3 all are closed.

b.

S 1 is closed but S 2 and S 3 are open

c.

S 2 and S 3 are closed but S 1 is open

d.

S 1 and S 3 are closed but S 2 is open

f Page
Sign In