Classification Based on Transparency

Q.

Write five transparent, translucent and opaque objects.

Q. The object through which light does not pass at all is called object.

1. a transparent
2. a translucent
3. an opaque

Q.

What is lustre?

Q.

Question 14

On a bright sunny day, Shikha was playing hide and seek with her brother. She hid herself behind a glass door. Do you think her brother will be able to locate her ? If yes, why? If no, why not ?

Q.

You are provided with the following materials:

(i) Magnifying glass

(ii) Mirror

(iii) Stainless steel plate

(iv) Glass tumbler

Which of the above materials will you identify as transparent?

(a) (i) and (ii) (b) (i) and (iii) (c) (i) and (iv) (d) (iii) and (iv)

Q.

How can we make a translucent sheet of paper from an opaque sheet of paper?

Q. Which of the following type of objects do not form dark, sharp shadows when placed in the path of light?

1. Transparent
2. Translucent
3. Both transparent and translucent
4. Opaque

Q.

Differentiate among opaque, translucent and transparent materials, giving one example of each.

Q.

Question 05

While doing an activity in class, the teacher asked Paheli to handover a translucent material. Which among the following material will Paheli pick and give her teacher?

(a) Glass tumbler

(b) Mirror

(c) Muslin cloth

(d) Aluminium foil

Q.

Question 4 (i)

State whether the statement given below is True or False.
Stone is transparent, while glass is opaque.

Q.

Question 21

Crossword Puzzle pick five objects from the word box given as figure, which are opaque and would sink in water.

$\begin{array}{cccccc}O& S& T& P& L& E\\ A& T& L& E& E& R\\ C& O& I& N& A& A\\ O& N& K& C& F& S\\ A& E& E& I& W& E\\ L& L& Y& L& R& R\end{array}$

Q.

A blue cellophane paper passes the light of only blue colour through it.

1. True
2. False

Q. What would be the colour of the emerging light if green light passes through the transparent glass?

1. White
2. Blue
3. Green
4. Black

Q. Nishant puts an object in front of a beam of light and notices that a dark, sharp shadow was immediately formed. What type of object did he place in front of the light?

1. An opaque object
2. A flexible object
3. A translucent object
4. A transparent object

Q.

While doing an activity in class, the teacher asked Paheli to handover a translucent material. Which among the following materials will Paheli pick and give her teacher?

1. Glass tumbler

2. Mirror

3. Muslin cloth

4. Aluminium foil

Q. Differentiate among the following materials giving one example of each:
(a) Transparent and opaque materials [2 marks]
(b) Lustrous and non-lustrous materials [2 marks]

Q.

On a bright sunny day, Shikha was playing hide and seek with her brother. She hides behind a glass door. Do you think her brother will be able to locate her? If yes, why? If not, why not?

Q. On a bright sunny day, Shikha was playing hide and seek with her brother. She hid herself behind a glass door. Do you think her brother will be able to locate her? If yes, why? If no, why not?

Q.

Question 11

Which type of the following materials is used for making the front glass (wind screen) of a car?

(a) Transparent

(b) Translucent

(c) Opaque

(d) All of these

Q. Which of the following material can a carpenter use to build a window that allow sunlight to pass through it?

1. Wood
2. Glass
3. Steel
4. Plastic

Q. Take a glass and apply paint on it then the object changes from:

1. translucent to opaque
2. opaque to transparent
3. transparent to opaque
4. transparent to translucent

Q. Ma'am , when I was watching a video about transparent, opaque and translucent , they were telling when we are taking tissue paper it is opaque but when we put water above, it becomes translucent..when I was taking test for this chapter , I got a question and I typed transparent. But it was correct answer, and was showing solution transparency .. so my doubt is what is the difference between transparent and transparency ?

Q. Match the following objects with their property.

1. Transparent
2. Translucent
3. Opaque

Q.

What is a transparent material?

1. None of these
2. The material which does not allow light to pass through it.
3. The material which allows light to pass through it.
4. The material through which light can pass partially.

Q. Chintu was holding an object in his hand and he was able to see Mintu through the object very clearly. What could the object possibly be?

1. Cardboard sheet
2. Metal sheet
3. Glass sheet
4. Notebook

Q. Which among the following materials is lustrous and opaque?

Q.

Two students while sitting across a table looked down on to its top surface. They noticed that they could see their own and each other’s image. The table top is likely to be made of

1. Unpolished wood

2. Red stone

3. Glass sheet

4. Wood top covered with cloth

Q. Write an experiment to show that our palm is translucent.

Q. Nishant puts an object in front of a beam of light and notices that a dark, sharp shadow was immediately formed. What type of object did he place in front of the light?

1. A transparent object
2. A translucent object
3. A flexible object
4. An opaque object

Q. Which among the following is transparent?