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Saloni Dhingra
Subject: Science
, asked on 14/11/17
Respected sir,
In today's class i.e. 14 November 2017, you told that erect images are always enlarged, but the image formed by plane mirror and convex mirror are of the same size and diminished respectively. So can you clear this doubt.
Thanks and regards,
SaloniDhingra
Answer
1
Aditya Anand
Subject: Science
, asked on 10/11/17
Write difference between real and virtual image in tabular form.
Answer
1
Aditya Anand
Subject: Science
, asked on 10/11/17
Write the nature of the image formed by convex lens when the object is between F and 2F ( where F is the focal length of the lens).
Answer
1
Damaraju Venkata Nagendra
Subject: Science
, asked on 10/11/17
Ans20
Answer
1
Damaraju Venkata Nagendra
Subject: Science
, asked on 9/11/17
Ans2
20
Four light bulbs are concealed from an observer by an opaque wall as shown. Without shifting the positions of the observer and the bulbs, how many bulbs can the observer see from the mirror ?
A. 1 B. 2
C. 3 D. 4
Answer
2
Damaraju Venkata Nagendra
Subject: Science
, asked on 8/11/17
Ans 15
Answer
2
Manan Sanghani
Subject: Science
, asked on 30/10/17
Rainbow is produced when sunlight falls on drops of rain .whixh of the following physical phenomena is/are responsible :
A}diffusion
B}dispersion and total internal reflection
Answer
5
Priyashee Majumder
Subject: Science
, asked on 10/10/17
Is it necessary for the Newton's disc to be rotated very fast. Will it appear white even if it is rotated very slowly?
Answer
1
Supriya Dey
Subject: Science
, asked on 5/10/17
Q 14 please as fast as possible
Answer
3
Miheera Nikam
Subject: Science
, asked on 26/9/17
what is principal focus?
Answer
2
Scientist 😍😍
Subject: Science
, asked on 13/9/17
What is the full form of ACF???
Answer
2
Scientist 😍😍
Subject: Science
, asked on 7/9/17
Name three practical devices based on the heating effect of current.
Answer
3
Scientist 😍😍
Subject: Science
, asked on 7/9/17
What types of mirror is used in the following cases??Is the image formed virtual and erect in each case???1.make up mirror 2.rear view mirror of vehicles 3.reflection type telescope 4.shaving mirror.Please hurry up.
Answer
2
Scientist 😍😍
Subject: Science
, asked on 7/9/17
With the help of a suitable diagram,explain the meaning of the following terms for concave mirror 1.Centre of curvature 2.Pole 3.Principal axis 4.Focus
Answer
1
Scientist 😍😍
Subject: Science
, asked on 7/9/17
Draw a ray diagram to show the formation of the image of a point object by 1.a plane mirror and 2.a convex mirror
Answer
2
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What are you looking for?
In today's class i.e. 14 November 2017, you told that erect images are always enlarged, but the image formed by plane mirror and convex mirror are of the same size and diminished respectively. So can you clear this doubt.
Thanks and regards,
SaloniDhingra
20 Four light bulbs are concealed from an observer by an opaque wall as shown. Without shifting the positions of the observer and the bulbs, how many bulbs can the observer see from the mirror ?
A. 1 B. 2
C. 3 D. 4
A}diffusion
B}dispersion and total internal reflection