What are the sign conventions of concave and convex mirror?

Asked by Last Modified  

Follow 0
Answer

Please enter your answer

the sign of any ( object distance, image distance,focal length etc ) are taken positive if it is in the direction of incident ray else negative * all the distances are measure from the pole
Comments

Tutor

Types of lens U v f Height of the image Height of the object Real Virtual Real Virtual Real Virtual Convex - + - + No virtual focus - + + Concave - No real image is formed - No...
read more
Types of lens U v f Height of the image Height of the object Real Virtual Real Virtual Real Virtual Convex - + - + No virtual focus - + + Concave - No real image is formed - No real focus - No real image is formed + + read less
Comments

high school tutor, sketch artist

in case of mirrors the signs are put according to direction of incident ray i.e negative in case of real image, inverted image while positive in case of virtual and erect image
Comments

Tutor

refer the image
Comments

The following sign convention is used for measuring various distances in the ray diagrams of spherical mirrors: Object is always placed to the left of mirror All distances are measured from the pole of the mirror. Distances measured in the direction of the incident ray are positive and the distances...
read more
The following sign convention is used for measuring various distances in the ray diagrams of spherical mirrors: Object is always placed to the left of mirror All distances are measured from the pole of the mirror. Distances measured in the direction of the incident ray are positive and the distances measured in the direction opposite to that of the incident rays are negative. Distances measured along y-axis above the principal axis are positive and that measured along y-axis below the principal axis are negative. read less
Comments

View 3 more Answers

Related Questions

The exterior angles obtained on producing the base of a triangle both ways are 100° and 120°. Find all the angles.
1) Draw PQRS Square, Mark Point T on PS which is bisecting PS, Mark U on QR which is bisecting QR. 2) Join SQ where SQ intersects TU at 'O' 3) Now you can find two triangles STO, SPQ so prove both the...
Naveeen
0 0
5
name the colour of the Betelgeuse star
Orange-red
Kumar Upendra Akshay
1 0
5
Why earthing is needed to have in a house?
To protect human lives as well as provide safety to electrical devices and appliances from leakage current. Earthing means to connect electrical system to earth or soil in such a manner as it ensures...
Vandana
0 0
7
What is static electricity?
Static electricity is the result of an imbalance between negative and positive charges in an object.
Raveena
0 0
6

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons


Innovation: A State-of-the-Science
Innovation research has flourished over the last 30 years. Innovative approaches which might formerly have been seen as inappropriate and disrespectful, have become increasingly sought by organizations...

Rule Of Sign
1. Rule of sign solving is known as VBODMAS: V stands for "Vinculum" or "Bar" B stands for "Bracket" (order as small,medium,big) O stands for "Of" D stands for "Divisibility" M stands for "multiplication" A...
M

Mohit S.

1 0
0

Multiply by 9 Multiplicand Digits Less than Multiplier Digits
Multiply by 9's Steps : Step 1. Subtract the given multiplicand value by 1. Step 2. Find the complement of multiplicand (Base value - Multiplicand value). Step 3. Find the digit difference by subtracting...

Vedic maths multiplication tips and tricks for two digit numbers multiplication
Cross Multiplying Two Digit Numbers Cross Multiplying Two Digit Numbers Problem : 16 x 28 Step 1: First, write your problem down, sitting on top of each other, like you would do when multiplying normally. ...

Recommended Articles

Swati is a renowned Hindi tutor with 7 years of experience in teaching. She conducts classes for various students ranging from class 6- class 12 and also BA students. Having pursued her education at Madras University where she did her Masters in Hindi, Swati knows her way around students. She believes that each student...

Read full article >

Quest Academy is a professional Bangalore based NEET and JEE (Main + Advanced) training institute. The academy was incorporated in 2015 to cater to the needs of students, who aim to crack competitive exams by connecting with the best brains around. The institute helps students enhance their skills and capabilities through...

Read full article >

Raghunandan is a passionate teacher with a decade of teaching experience. Being a skilled trainer with extensive knowledge, he provides high-quality BTech, Class 10 and Class 12 tuition classes. His methods of teaching with real-time examples makes difficult topics simple to understand. He explains every concept in-detail...

Read full article >

Mohammad Wazid is a certified professional tutor for class 11 students. He has 6 years of teaching experience which he couples with an energetic attitude and a vision of making any subject easy for the students. Over the years he has developed skills with a capability of understanding the requirements of the students. This...

Read full article >

Looking for Class 10 Tuition ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you