CBSE Class 10 Answered
Why do we take value of v as negative in question number 11?
Asked by Jaya | 16 Feb, 2019, 09:51: AM
Expert Answer
Cartesian sign convention is followed for CBSE. According to this convention, all distances are measured
from the pole of the mirror or the optical centre of the lens. The distances measured in the same direction as the
incident light are taken as positive and those measured in the direction opposite to the direction of incident light are taken as negative
from the pole of the mirror or the optical centre of the lens. The distances measured in the same direction as the
incident light are taken as positive and those measured in the direction opposite to the direction of incident light are taken as negative
Answered by Thiyagarajan K | 16 Feb, 2019, 09:56: PM
Application Videos
-
Functions of main parts of human eye ...
This video describe Functions of main parts of human eye. -
Power rating
This video shows the calculation of electricity consumed, electric current ... -
Some other formulae for calculating power ...
This video shows explains the application of formula for calculating the po... -
Cost of electricity
This video describes the calculation of cost of electricity for electrical ... -
Combination of resistors -parallel
This video describes the calculation of effective resistance, total current...
Concept Videos
-
Refraction of Light
Explain refraction of light and define rarer/denser medium, refracted ray,... -
Refraction of Light
Explain the rules for the ray diagram for spherical lenses. Draw ray diagr... -
Refraction of Light
Define convex and concave lenses, optical centre, principle axis, centre o... -
Refraction of Light
Define New Cartesian Sign convention, object/image distance, lens formula,... -
Human Eye
Function of cornea, pupil, iris, eye lens, ciliary muscles, rods & cones. ...
CBSE 10 - Physics
Asked by agankitgupta938 | 18 Apr, 2024, 04:29: PM
ANSWERED BY EXPERTCBSE 10 - Physics
Asked by infinityupgraded | 13 Apr, 2024, 08:17: AM
ANSWERED BY EXPERTCBSE 10 - Physics
Asked by suryamr2019 | 08 Mar, 2024, 04:32: PM
ANSWERED BY EXPERTCBSE 10 - Physics
Asked by sheetal.kolte | 04 Mar, 2024, 12:38: PM
ANSWERED BY EXPERTCBSE 10 - Physics
Asked by shrilakshmimunoli | 01 Mar, 2024, 01:15: AM
ANSWERED BY EXPERTCBSE 10 - Physics
Asked by khajannirwan | 27 Feb, 2024, 10:20: PM
ANSWERED BY EXPERTCBSE 10 - Physics
Asked by sailakshmi.avinesh | 13 Feb, 2024, 07:03: AM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by saurabhjd527 | 30 Jan, 2024, 07:55: PM
ANSWERED BY EXPERTCBSE 10 - Physics
Asked by saanviyadla | 24 Jan, 2024, 07:06: PM
ANSWERED BY EXPERT
