Recently Active Questions

find the equation of the circle which touches the line iz+z+1+i=0 and has the lines (1-i)z=(1+i)z and (1+i)z=(1-i)z ...

The number of non-real solutions of |z|2+4z = 0 is? ...

if z2/(z-1) is purely real... Then z is ...

Sum of n terms of (1,r,r2,r3............) in GP is given by S = (1-rn)/(1-r) Under what conditions is the above true. ...

For the questions 5-7, using the constraints given in each question, answer the following..... what is the minimum value of (x+1/x)2 + (y+1/y)2 ? Constraint for question 5... xεR and yεR ...

x>2y ...

Constraint x+y=1 ...

Work done in the process B-C is ...

Answer the questions 24-27 based on the information given One mole of monoatomic ideal gas undergoes the following process shown in T-S curve. Given SD-SA=5.76 J/K/mol *Image* Heat absorbed in the process AB is ...

Total work done in the process ...

Work done the process C-D is ...

Refer Q 9! ...

For each of the questions 9-11 match the question number with the possible options a,b,c and d. (There could be multiple correct choices!) a) Ellipse b) Straight Line/ line segment c) Circle d) point 9) |z-1|+|z+3| = k (k ...

find the area common to these .. |x-1-i|<2 |x+i+1|>2 ...

Refer Question 9 ...

if g(x) = x2+bx+c and h(x) = x2+b1x+c1 do not have real roots, and f(x)=g(x)/h(x) then ...

what is the value of plank's constant? ...

The value of wavelength when the frequency is 3 Hz.. ...

The convex surface of a thin concavo-convex lens of glass of refractive index 1.5 has a radius of curvature 20 cm. The concave surface has a radius of curvature 60 cm. The convex side is silvered and placed horizontally. The ...

The convex surface of a plano convex lens is silvered whose radius of curvature is 30 cm. The focal length of the mirror thus formed is (refractive index of medium is 1.5) ...

A convex lens of focal length 40 cm is in contact with a concave lens of focal length 25 cm. The power of the combination is ...

A thin concave and a thin convex lens are in contact. The ratio of the magnitude of power of two lenses is 3/2 and focal length of combination is 30 cm, then focal length of individual lenses are (concave and convex) ...

The concave surface of a thin concavo-convex lens of glass of refractive index 1.5 has a radius of curvature 20 cm. The concave surface has a radius of curvature 60 cm. The convex side is silvered and placed on a horizontal s ...

A concave lens of glass, refractive index 1.5, has both surfaces of same radius of curvature R. On immersion in a medium of refractive index 1.75, it will behave as a ...

A thin convex lens of focal length 30 cm forms an image 2 cm high of an object at infinity. A thin concave lens of focal length 20 cm is placed 26 cm from the convex lens on the side of the image. The height of the image is n ...

A converging lens is used to form an image on a screen. When the upper half of the lens is covered by an opaque screen, ...

In the previous question, find the focal length of the lens when the rays are falling on the curved part first ...

A plano-convex lens has a thickness of 4cm. When placed on a horizontal table, with the curved surface in contact with it, the apparent depth of the bottom-most point of lens is found to be 3 cm. If the lens is inverted such ...

Two identical prisms of refractive index √3 are kept as shown in the figure. A light ray strikes the first prism at face AB such that the first prism has minimum deviation. Through what angle the prism DCE should be rotated ...

An isosceles prism of angle 120° has a refractive index 1.44. Two parallel monochromatic rays enter the prism parallel to each other in air as shown. The rays emerge from the opposite faces *Image* ...