GENERAL INSTRUCTIONS (Please read the following instructions very carefully)
1. Question marks are mentioned with each Question.
2. Please write neat and clean hand-writing on Answer Sheet. Use Margin on right side and left side of Answer Sheet.
3. Do not refresh or back page.
4. Do not click the button Submit Test before completing the paper on Answer Sheet.
5. This is a ONE TIME attempt test. Once started, it cannot be reversed or attempted again.
6. Take photo of all the Sheets and make single pdf file.
1
Which of the following is divergent Beam of light ?
2
Which of the following is a transparent object?
Wood
Iron
Clean air
Butter paper
3
Separate the odd-one out :
Clean Water
Cellophane paper
4
Which of the following is a ray ?
5
Stars are ________________ .
Luminous
Non - Luminous
Both of these
None of these .
6
_________________ screen is a must to receive the shadow.
Transparent
Opaque
Translucent
7
Which of the following is a parallel beam of light ?
8
The partially dark patch of the shadow is called ________________.
Numbra
Umbra
Penumbra
None of these.
9
To see various objects we need _____________________.
Shadow
Reflection
Light
10
Which of the following are correct :
(a) Light behaves like a wave as well as particle.
(b) Light is an electromagnetic radiation.
Only (a) is correct.
Only (b) is correct.
Both (a) and (b) are correct.
None of these
11
(a) When the group of rays are parallel to each other such beam of light is called a parallel beam of light.
(b) When the group of rays are not parallel to each other but are converging at a point such beam of light is called a convergent beam of light.
12
(a) Coal is an opaque object.
(b) Wood is an translucent object.
(c) Butter paper is an translucent object.
Only (a) and (b) are correct.
Only (b) and (c) are correct.
Only (a) and (c) are correct.
All of these.
13
(a) Objects that give out light are called non luminous objects.
(b) All luminous objects emit light that has been produce by them.
14
(a) Materials that allow light to pass through without any significant scattering or absorption are called transparent materials.
(b) Materials that allow light to pass through without any significant scattering or absorption are called translucent materials.
(c) Materials that allow light to pass through them, but scatter or diffuse the light as it passes through them are called translucent materials.
15
(a) Materials that allow light to pass through them, but scatter or diffuse the light as it passes through them are called translucent materials.
(b) Materials that completely block light are called transparent materials.
(c) Materials that allow light to pass through without any significant scattering or absorption are called transparent materials.