Transparent, opaque and translucent objects

Q.

Mirror is an opaque object.

1. True

2. False

Q.

Suggest any two means for the conversion of a transparent glass sheet into a translucent sheet.

Q.

Correct the following statement:

Transparent objects allow light to pass through them partially.

Q.

The red light shone on a cyan object will appear as ______.

Q.

You are given a transparent glass Sheet. Suggest any two ways to make it translucent without breaking it.

Q.

A green leaf placed in a dark room is illuminated by red light. The leaf will appear to be

1. green

2. red

3. yellow

4. black

Q. ________ materials partially allow light to pass through them.

1. Translucent
2. Transparent
3. Opaque
4. Luminous

Q. Pick out the object that partially allows light to pass through it.

1. Pencil
2. Chocolate bar​
3. Glass bowl​
4. Butter paper​

Q. Choose the most appropriate pair.

1. Opaque - Air
2. Translucent - Smoke
3. Transparent - Human Body
4. Luminous - Moon

Q. Choose the transparent and translucent objects.

1. Glass panel
2. Pure water
3. Wood
4. Butter paper
5. Mirror
6. Plastic sheet
7. Cardboard
8. Wax paper

Q.

Opaque objects allow light to pass through them partially.

1. False

2. True

Q. An object that completely allows light to pass through is called a object.

1. transparent
2. translucent
3. luminous

Q.

The best way to observe a solar eclipse is ___.

1. to see it using a blackened/dark plate of glass

2. to see it through a binoculars

3. to see it through a normal telescope

4. to see with naked eyes

Q. How can you convert a transparent glass sheet into a translucent glass sheet?

1. By attaching a cardboard sheet
2. By using glass paint
3. By attaching a thin metal sheet
4. By attaching another glass sheet

Q.

___ objects allow light, to pass through them partially.

1. Wood

2. Opaque

3. Metal

4. Translucent

Q. Choose the odd one out on the basis of capacity to transmit light.

1. Glass
2. Cardboard
3. Wooden block
4. Metal sheet

Q. Which of the following objects is not transparent?

1. Smoke
2. Air
3. Pure water
4. Clear glass