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Here given Surface curvature (R ) = 30 cm., Refractive index (n) = 2.50 For a double convex lens, R = −1R1 1/f = (n-1) {1/(R1 - R2)} => 1/f = (2.5 - 1) {1/30 + 1/30} => 1/f = 1/10 => f = 10 cm Hence, the focal length of a double convex length is 10 cm.
The wavelength produced by a He-Ne laser corresponds to the transition in:
Let the electric field part of an electromagnetic wave is E = {(2.3 N/C) cos [(1.2 rad/m) y + (2.4 × 108 rad/s)t]} î.
Compute the...
Which one of the following is not a function of the liver?
The material which can be deformed permanently by heat and pressure is called a:
________ are the elements of group 18.
A charged particle oscillates about its mean equilibrium position with a frequency of 105 Hz. What is the frequency of the electromagnetic wa...
Which one of the following is called a red planet?
Which of the following statement is true for a wavelength of 1000 nm. A p-n photodiode is fabricated from a semiconductor with band gap of 1.9 eV.
What process causes white light to split into its constituent colors?
If n resistors with R Ω each as resistance are connected in parallel, then the equivalent resistance of the network is:
