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Sherina asked a question
Subject: Physics, asked on on 25/4/16
For intensity I of a light of wavelength 5000 anmgstrom the photoelectron saturation current is 0.40miuA and stopping potential is 1.36v. Find out the work function of metal
Ajay asked a question
Subject: Physics, asked on on 21/2/16
for focal lenth of convex lens in practical exam:
i cant understand how to do/. explain. please!
U-V Method:

Trial no.           position of lens           position of image           Focal length[ uv/u+v}
1.
2.
                                          Mean=

Distant object method:

trial no.          nature of image        object dist.             image dist.        focal lenth[uv/u+v}
                       u<2f magnified
1.
2.
                       u>2f dimnished
1.
2.
?
 
C.nithiyasree asked a question
Subject: Physics, asked on on 13/12/14
what is the difference between spherical mirror and lens ?
Pethana Raja asked a question
Subject: Physics, asked on on 1/4/14

Why is heat given out when a vapour condenses to liquid ?
Sona asked a question
Subject: Physics, asked on on 1/11/14

how to teach lens easily to the govt students in tamil?
Mohamed Thoufeeq asked a question
Subject: Physics, asked on on 30/5/18
Why we cant separate noth and south poles
Gowri asked a question
Subject: Physics, asked on on 26/3/14

emf of 4bateries connected in parallel.what is the total emf of the battery?
Sriniti asked a question
Subject: Physics, asked on on 23/7/14

Do a hypermetropic person need lenses for driving?

Haritha asked a question
Subject: Physics, asked on on 18/2/14

define myopia
Sushil Kumar Paswan & 1 other asked a question
Subject: Physics, asked on on 23/12/14

The magnification produced by a mirror is 1/3 then the type of mirror is?
Sweetie Girl asked a question
Subject: Physics, asked on on 5/6/20
Good afternoon dear friend's.
Mahipal Singh asked a question
Subject: Physics, asked on on 30/11/15
what lens must be used to built a telescope that views the outer earth
Sneha asked a question
Subject: Physics, asked on on 12/4/18
can you solve it?
Q. Sitting in her parlour one night, Chitra sees the reflection of her cat in the living room window. If the image of her cat makes an angle of 40° with the normal, at what angle does Chitra see the reflected image of the cat?
 
Achchoo asked a question
Subject: Physics, asked on on 2/4/14

if the magnification produced by the mirror is1/3 then it is_ mirror
Ajay asked a question
Subject: Physics, asked on on 21/2/16
for scre guage practicals i dont know..Explain with random values for no, positive and negative error.
please

TRIAL NO.                PSR        HSC*LC               PSR+ [HSC*LC] +/- ZC
1.                                  1
2.                                  1
3.                                   1
4.                                  1
???
Vr Dhandapani asked a question
Subject: Physics, asked on on 20/2/15
Define electric flux?
Vaithiya Nathan asked a question
Subject: Physics, asked on on 15/10/14

what is the work for glass prism?
Dhamodaran.v asked a question
Subject: Physics, asked on on 26/12/14
what is electro magnetic induction?
vinothmchem... asked a question
Subject: Physics, asked on on 27/3/14

magnifiacation 1/3 produced by -------------------- mirror
Mohammed Rifay asked a question
Subject: Physics, asked on on 1/4/15
The refractive index of diamond is 2.42 . what is the meaning of this statement in relation to speed of light?
Goutham asked a question
Subject: Physics, asked on on 27/2/15
how do we arive at the formula h/h`=-v/u.i want to know how did the minus sign cum
Dharshan asked a question
Subject: Physics, asked on on 3/11/14

does presbyopia causes old person not to read or write comfortably?
Aishwarya Ramakrishnan asked a question
Subject: Physics, asked on on 17/2/15
in traffic light the red colour traffic light length is longer or longest?
K.thamarai Devi asked a question
Subject: Physics, asked on on 7/4/14

the magnificaton produced by a mirror is 1/3 then the type of mirror is-----------
B Harini asked a question
Subject: Physics, asked on on 4/4/15
A certain ill - sighted person cannot see objects closer to the eye than 100 cm. The power of the lens which will enable him to read at a distance of 25 cm will be ----------
a) 3 dioptre
b) 1 dioptre
​c) 4 dioptre
d) 2 dioptre
Kanimozhi asked a question
Subject: Physics, asked on on 31/7/15
Scientifically why do we say that before going to sleep we should not see our face in mirror???
G.karthikeyan asked a question
Subject: Physics, asked on on 6/4/15
The magnification produced by a mirror is 1/3. then the type of mirror is ---------------------------
Dinesh asked a question
Subject: Physics, asked on on 21/11/18
radius of curvature is __________The focal lengh
Samyuktha M. S asked a question
Subject: Physics, asked on on 21/3/17
Answer please
Monika asked a question
Subject: Physics, asked on on 28/2/19
hey guys .......... here your question....... give the definition of magnetic field
Hemalatha G asked a question
Subject: Physics, asked on on 6/3/18
What is the fourth defect of eyes?
Harini K. asked a question
Subject: Physics, asked on on 15/3/18
What is presbyopihia?
Dinesh asked a question
Subject: Physics, asked on on 20/11/18
when light enters from median to water it velocity
K. Navinkumar asked a question
Subject: Physics, asked on on 30/1/17
Is there anything called mono-concave or mono-convex [only one len] ?
Samyuktha M. S asked a question
Subject: Physics, asked on on 21/3/17
Answer 10th question
Harini K. asked a question
Subject: Physics, asked on on 15/3/18
What is prespyophia?
Shobi asked a question
Subject: Physics, asked on on 24/9/18
What do you mean by principal focus?
Brindhaa asked a question
Subject: Physics, asked on on 18/1/20
What is total reflection
Mathivanan asked a question
Subject: Physics, asked on on 10/2/19
Can anyone explain clearly
Ff asked a question
Subject: Physics, asked on on 2/3/19
An overhead wire carries current from east to west finf the direction of magnetic field 5 cm below the wire
E.theepan Raaj asked a question
Subject: Physics, asked on on 21/4/17
show that when a ray is incident on a plain mirror and if the mirror is rotated through an angle theta the reflected ray will be rotated/displaced by an angle 2theta prove it geometrically
Pavithra asked a question
Subject: Physics, asked on on 4/12/19
In the youngs double slit experiment using a monochromatic light of wavelength , the path difference corresponding to any point having half the peak intensity is
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