+91-87964 74404
FlagBACK
Question icon
Grade 12Wave Optics

an equiconvex lens of glass (refractive index=1.5) of focal length 10cm is silvered on one side. it will behave like: a) concave mirror of focal length 10cm b) convex mirror of focal length 5cm c) concave mirror of focal length 2.5cm d) convex mirror of focal length 20cm

Profile image of vaanya
12 Years agoGrade 12
Answers icon

2 Answers

Profile image of Nirmal Singh.
12 Years ago
It will behave like aconcave mirror of focal length 10cm because its a convex lens if both surface have same radius.

Regards,
Nirmal Singh
Askiitians Faculty
Profile image of vaanya
12 Years ago
but the answer is concave mirror of 2.5cm. i want to know how to solve it.

Other Related Questions on wave optics

question mark

what is meant by refractive index?

wave optics
1 Answer Available

Last Activity: 9 Months ago

question mark
An oscillator consists of a block of mass 512 g connected to a spring. When set into oscillation with amplitude 34.7 cm, it is observed to repeat its motion every 0.484 s. Find (a) the period, (b) the frequency, (c) the angular frequency, (d) the force constant, (e) the maximum speed, and ( f ) the maximum force exerted on the block.
wave optics
1 Answer Available

Last Activity: 4 Years ago

question mark
A PLANE TRANSMISSION GRATING HAS 45000 LINES. DETERMINE ITS RESOLVING POWER IN THE SECOND ORDER FOR WAVELENGTH OF 5000A.
 
wave optics
1 Answer Available

Last Activity: 4 Years ago

question mark
A PLANE TRANSMISSION GRATING HAS 45000 LINES. DETERMINE ITS RESOLVING POWER IN THE SECOND ORDER FOR WAVELENGTH OF 5000A.
wave optics
1 Answer Available

Last Activity: 4 Years ago

question mark
If V-numer of a multi mode fiber is 3. Calculate the no.of modes if it is step index and graded index fiber multimode fiber (rounded off)?
wave optics
1 Answer Available

Last Activity: 4 Years ago