हिंदी

The inner surface of the reflector of a torch acts as a __________ mirror - Science

Advertisements
Advertisements

प्रश्न

The inner surface of the reflector of a torch acts as a __________ mirror

रिक्त स्थान भरें

उत्तर

The inner surface of the reflector of a torch acts as a concave mirror.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 15: Light - VERY SHORT ANSWER QUESTIONS [पृष्ठ ८१]

APPEARS IN

एनसीईआरटी एक्झांप्लर Science [English] Class 7
अध्याय 15 Light
VERY SHORT ANSWER QUESTIONS | Q 10. (d) | पृष्ठ ८१

संबंधित प्रश्न

Which type of mirror is used in the following?

Periscope


Under what condition in an arrangement of two plane mirrors, incident ray and reflected ray will always be parallel to each other, whatever may be angle of incidence. Show the same with the help of diagram.


A rainbow can be seen in the sky


The side mirror of a scooter got broken. The mechanic replaced it with a plane mirror. Mention any inconvenience that the driver of the scooter will face while using it?


An erect and enlarged image of an object is formed on a screen. Explain how this could be possible.


Two plane mirror M1 & M2 are placed at an angle of 120° shown in figure. A light ray is incident on M1 at an angle of 60°; after reflection from M1 the ray strikes M2. The angle which the final reflected ray (after reflection from M2) is making with the plane of mirror M2 is ______.


A person AB of height 170 cm is standing in front of a vertical plane mirror. His eyes are at height 164 cm from ground. At what distance from P should a hole be made in the mirror so that he cannot see the top of his head?


A plane mirror is moving with velocity `4hati + 5hatj + 8hatk`. A point object in front of the mirror moves with a velocity of `3hati + 4hatj + 5hatk`. Here `hatk` is along the normal to the plane mirror and facing toward the object. The velocity of the image is ______.


If two plane mirrors are kept at 60° to each other, then the number of images formed by them is ______.


Which type of mirror is used in the following?

Kaleidoscope


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×