Unanswered Optics Questions

a monochromatic flux from a remote source with a wavelength λ is almost normally incident on a thin glass wedge.a screen is placed at a distance `d` from the wedge.a lens with a focal length `f` projects the interference pat ...

plz guys i'm literally dumb in optics.. suggest me... ...

CLACULATE THE RADII OF THE FRENSEL ZONES OF A SPHERICAL WAVE WITH A RADIUS a FOR POINT B REMOVED BY A DISTANCE OF a+b FROM A SOURCE OF MONOCROMATIC WAVES WITH A LENGTH OF λ,BEARING IN MIND THAT a>>λ ,, b>>λ. ...

two thin parallel slits are made in an opaque sheet of film when a monochromatic beam of light is shone through them at normal incidence , the first bright fringes in the transmitted light occur at 45° (both sides of central ...

A nucleus with mass no. 220 initially at rest emits an alpha particle.If Q value of reaction =5.5MeV ,then calculate KE of alpha particle ...

Can anybody explain me HCV ques. no. 34 from the chapter sound waves?? ...

THE MAXIMUM VALUE OF INDEX OF REFRACTION OF A MATERIAL OF A PRISM WHICH ALLOWS THE PASSAGE OF LIGHT THROUGH IT WHEN THE REFRACTING ANGLE OF THE PRISM IS 'A' IS a)(1-sinA/2)^1/2 b)(1-cotA/2)^1/2 c)(1-(tanA/2)^2)^1/2 d)(1+(cotA ...

You are at one end of long airport runway. A vertical temperature gradient in the air results in the refractive index variation with height as n = n1( 1+ ay) where n1 is the refractive index at the runway a = 1.5 * 10^(-6) pe ...

A thin glass (refractive index 1.5) lens has optical power of -5D in air . Its optical power in a liquid medium with refractive index 1.6 will be ? 1)2D 2)-2D 3)-1D 4)1D ...

we all know what is a virtual image and what is a real image....... now in a mirror and a lens all the images whenever v is formed after the mirror it is a virtual image but in some cases even the negative images or the image ...

Let S1 and S2 be two slits in Young's doubles SLit expt. If the central maxima is observed at P and angle S1PS2 = θ ( θ is small).Find the y coordinates of the 3rd minima assuming the origin to be at the central maxima. λ ...

*Image* ...

Why do Light waves projected on oil surface show seven colors ? ...

The state of polarization of light with electric field vector \bar{E}=\hat{i}E_0cos(kz-\omega t)-\hat{j}E_0cos(kz-\omega t) is a)linearly polarized along Z axis b)linearly polarized at 45° to X axis c)circularly polarized d) ...

Consider a SMALL ANGLED PRISM placed between a point object O and a Concave Mirror (pole P) (OP<f). Then, why is it that the rays formed due to deviation by prism when traced back form an image in the plane of object or wh ...

An object is placed at a distance of 10 cm in air from the front surface of a thick glass slab of thickness 6 cm whose black surface has been silvered.The image is formed at a distance of 14 cm from the polished surface . The ...

Q1)A liquid of ref ind 'n' is filled in a tank.A plane mirror is kept at the bottom of tank.A point like object is at height h from mirror.An observer observes P and img obtained of P from top vertically upward direction.What ...

Q.1. A man uses a concave mirror for shaving.He keeps his face at a distance of 25 cm from the mirror and gets an image which is 1.4 times enlarged.Find the focal length of the mirror. Q.2.Find the diameter of the image of th ...

Q.1. A man uses a concave mirror for shaving.He keeps his face at a distance of 25 cm from the mirror and gets an image which is 1.4 times enlarged.Find the focal length of the mirror. Q.2.Find the diameter of the image of th ...

what is the use of first slit(barrier slit) in YDSE? ...

is edudigm in benachity ...

is this true ? dapp = d1/0µ1 + d2/0µ2 + d3/0µ3 in this situation ! *Image* dapp --- Apparent distance IF it is True Prove It ! ( Detailed Proof Needed to understand ) ...

In a typical Young's double slit experiment, S1 and S2 are identical slits and equidistant from a point monochromatic source S of light having wavelength λ. The distance between slits is represented by d and that between sli ...

Is the power of convex mirror positive or negative? Pretty easy question to ask but my book says it is negative as opposed to positive. I hope the book is wrong. Is there any other sign convention for powers of mirrors? ...

ignore ...

Q.How would the diffraction pattern of a single slit be affected when: the width of the slit is decreased? ans: the diffraction pattern becomes narrower shudn't it become wider?[lamda/a formula..] [my friend sent me this ques ...

hi is it true that for light waves power ∞ Intensity (only) ?? i mean can we write P = P1 + P2 + √(P1P2) cos (phase deference in terms of angle) ?????????? ????????? ???????? ??????? ?????? ????? ???? ??? ?? ? ...

Have i gone crazy or has the kvpy ones gone question A concave lens of focal length 20 cm is given. A point object is at 10 m toward sleft of it .Find its image. Official solution since the image is at 2f the image is also fo ...

Hi all, get relevant and useful flash animations in physics at http://www.mksfoundation.com/flashlets.aspx and lot of other free stuff for JEE preparation at this site. ...

Two plane mirrors A and B are aligned parallel to each other, as shown in the figure. A light ray is incident at an angle of 30o at a point just inside one end of A. The plane of incidence coincides with the plane of the figu ...