Question 1 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb82f59b460d7261ec4b.JPG' /> In the above figure, 5 is _____ in colour

Question 2 :
We can obtain a real, enlarged and inverted image by a concave mirror.

Question 4 :
If standing before a plane mirror you touch your nose with your left hand, right hand of your image will touch your nose. What is this phenomenon called?

Question 8 :
An image formed by a __________ mirror is always of the same size as that of the object.

Question 9 :
What happens when light falls on a polished or a shiny surface?

Question 10 :
A shopkeeper wanted to fix a mirror which will give a maximum view of his shop. What type of mirror should he use?

Question 11 :
A person gets some lenses. He touches and feels them. Will he find some difference just by touching?

Question 13 :
There is no actual intersections of two rays in virtual image.

Question 14 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb88f59b460d7261ec53.JPG' /> In the above figure, 6 is ______ in colour.

Question 16 :
The inner surface of a steel spoon acts as a ___ mirror.

Question 17 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cbe3f59b460d7261ecc2.jpg' /> A person fixes a concave mirror on a stand and places it on a table as shown in the figure. He pastes a piece of white paper on a cardboard sheet which acts as a screen. He also keeps a lighted candle on the table at a distance of about 50 cm from the mirror and tries to obtain the image of the flame on the screen. For this, he moves the screen till a sharp image of the flame is obtained. Is image the same size as the flame?

Question 18 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb82f59b460d7261ec4c.JPG' /> In the above figure, 6 is _____ in colour.

Question 19 :
David is observing his image in a plane mirror. The distance between the mirror and his image is 4 m. If he moves 1 m towards the mirror, then the distance between David and his image will be

Question 21 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cbe6f59b460d7261ecc6.jpg' /> A person takes a stainless steel spoon. He brings the outer side of the spoon near his face and looks into it as shown in the above figure. Will he see his image in it?

Question 22 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cbe3f59b460d7261ecc1.jpg' /> Boojho observed his image in the shiny surface of the bell on his new bicycle. He found that his image was erect and smaller in size. He wondered if the bell is also a kind of spherical mirror. Recognise the type of the mirror used here.

Question 23 :
In automobiles, ________ mirror is used as a reflector in headlights of cars or scooters.

Question 24 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb85f59b460d7261ec50.JPG' /> In the above figure, 3 is _______ in colour.

Question 25 :
Boojho and Paheli were given one mirror each by their teacher. Boojho found his image to be erect and of the same size whereas Paheli found her image erect and smaller in size. This means that the mirrors of Boojho and Paheli are respectively :

Question 26 :
An image that cannot be obtained on a screen is called ____________.

Question 27 :
We can obtain an enlarged and erect image by a convex mirror. (T/F)

Question 28 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cbdcf59b460d7261ecb8.jpg' /> A Person places a lighted candle in front of a plane mirror. He tries to see the flame of the candle in the mirror. It appears as if a similar candle is placed behind the mirror. The candle, which appears behind the mirror, is the image of the candle formed by the mirror as shown in the above figure. The candle itself is the object. Now, he moves the candle to different positions in front of the mirror. He observes the images in each case. Now, he places a vertical screen behind the mirror and tries to obtain the image of the candle on this screen. Can you get the image on the screen?

Question 30 :
David is observing his image in a plane mirror. The distance between the mirror and his image is 4 m. If he moves 1 m towards the mirror, then the distance between David and his image will be:

Question 33 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb8ef59b460d7261ec5b.JPG' /> In the above figure, what is the nature of the lens?

Question 35 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb83f59b460d7261ec4d.JPG' /> In the above figure, 7 is _____ in colour.

Question 36 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb84f59b460d7261ec4e.JPG' /> In the above figure, 1 is ____ in colour.

Question 37 :
Virtual, erect and diminished in size images are formed by _______ mirror.

Question 39 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb8ff59b460d7261ec5c.JPG' /> In the above figure, what is the nature of the lens?

Question 40 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cbdbf59b460d7261ecb7.jpg' /> Boojho looked at a lighted candle first through a straight pipe and then through a bent pipe as shown in the figure. Why was Boojho not able to see the candle flame through a bent pipe?

Question 41 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cbe1f59b460d7261ecbf.jpg' /> A person takes a chess board. He fixes a plane mirror vertically on this line and places any small object, such as a pencil sharpner, at the boundary of the third square counting from the mirror as shown in the figure. He notes the position of the image. Now, he shifts the object to the boundary of the fourth square. Again he notes the position of the image. Will he find any relation between the distance of the image from the mirror and that of the object in front of it?

Question 42 :
In the case of mirrors that for different positions of the object the nature and size of the image change. Is it true for lenses also?

Question 43 :
What type of mirror is used as a side view mirror?