Question 1 :
If the reflecting surface is on the outside, the mirror is called ____.

Question 2 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb8bf59b460d7261ec57.PNG ' /> In the above figure, will the position of image change if position of object is changed ?

Question 4 :
A person stands in front of a plane mirror and looks at his image. Now, he touches his right ear. Which ear does his hand touch in the image?

Question 5 :
<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 7 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cbeef59b460d7261eccf.jpg' /> <img style='object-fit:contain' src='61cc1abe78c526e972caf046' /> A person takes a convex lens and fixes it on a stand. He places it on a table. Also, he places a lighted candle at a distance of about 50 cm from the lens as shown in the figure. The image of the candle is obtained on a paper screen placed on the other side of the lens. He moves the screen towards or away from the lens to get a sharp image of the flame. Will he get in any position of the object an image which was erect and magnified on a screen?

Question 8 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb87f59b460d7261ec52.JPG' /> In the above image, 5 is ______ in colour.

Question 9 :
An image that cannot be obtained on a screen is called ___.

Question 11 :
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 13 :
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 15 :
An image formed by a __________ mirror is always of the same size as that of the object.

Question 16 :
The ratio of size of image to the size of object is called:

Question 17 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cbdff59b460d7261ecbc.jpg' /> A person takes a torch covers its glass with a chart paper which has three narrow slits as shown in Figure above. He spreads a sheet of chart paper on a smooth wooden board and fixes a plane mirror strip vertically on the chart paper. Now, he directs the beam of light on the mirror from the torch with slits. He places the torch in such a way that its light is seen along the chart paper on the board. Now, he adjusts its position so that the light from the torch strikes the plane mirror at an angle. Now, he moves the torch slightly to either side. Next, he looks into the mirror along the direction of the reflected light. Will he see the slits in the mirror?

Question 19 :
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 20 :
<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 21 :
In automobiles, ________ mirror is used as a reflector in headlights of cars or scooters.

Question 24 :
Image may be real, virtual and magnified or diminished in _______ mirror.

Question 25 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb7ff59b460d7261ec48.JPG' /> In the above figure, 2 is _______ in colour.

Question 26 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb80f59b460d7261ec49.JPG' /> In the above figure, 3 is _____ in colour.

Question 27 :
Which one of the following is used as rear view mirror in cars and scooters?

Question 28 :
An image which is erect, virtual and is of the same size as the object is formed by ___________ mirror.

Question 29 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb89f59b460d7261ec55.PNG ' /> In the above figure, Which lens is used?

Question 30 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb85f59b460d7261ec4f.JPG' /> In the above figure, 2 is ____ in colour.

Question 31 :
A shopkeeper wanted to fix a mirror which will give a maximum view of his shop. What type of mirror should he use?

Question 32 :
If the reflecting surface is on the inner side, the mirror is called ____.

Question 33 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cbddf59b460d7261ecba.jpg' /> A person takes a torch covers its glass with a chart paper which has three narrow slits as shown in Figure above. He spreads a sheet of chart paper on a smooth wooden board and fixes a plane mirror strip vertically on the chart paper. Now, he directs the beam of light on the mirror from the torch with slits. He places the torch in such a way that its light is seen along the chart paper on the board. Now, he adjusts its position so that the light from the torch strikes the plane mirror at an angle. Now, he moves the torch slightly to either side. Does he find any change in the direction of reflected light?

Question 34 :
When a ray of light falls on the surface of any mirror it bounces back in the same medium. This is called

Question 36 :
The image formed by a lens is always virtual, erect and smaller in size for an object kept at different positions in front of it. Identify the nature of the lens.

Question 38 :
Image formed by a convex __________ is always virtual and smaller in size.

Question 39 :
An image formed by a concave ___ cannot be obtained on a screen.

Question 40 :
The rear view mirror of a car is a plane mirror. A driver is reversing his car at a speed of 2 m/s. The driver sees in his rear view mirror the image of a truck parked behind his car. The speed at which the image of the truck appears to approach the driver will be

Question 41 :
If standing before a plane mirror you touch your nose with your left hand, which hand of your image will touch your nose ?

Question 44 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cbe2f59b460d7261ecc0.jpg' /> A person stands in front of a plane mirror and looks at his image. Next, he raises his left hand. Which hand does the image raise as shown in the above figure?

Question 45 :
_______ image is formed when the reflected rays actually meet and is obtained on a screen.

Question 46 :
Mirror which has reflecting surface curved outwards is called __________ .

Question 47 :
The outer surface of a flat steel plate acts as a ___ mirror.

Question 48 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb8af59b460d7261ec56.PNG ' /> In the above figure, What are the characteristics of the image formed?

Question 49 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cbdef59b460d7261ecbb.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. Did the flame appear on top of the candle as in the object?

Question 50 :
An image formed by a ___ mirror is always of the same size as that of the object.