List of practice Questions

Which of the following is/are feature/s of web 1.0?

5G wireless technology is estimated to be ____ times faster than 4G technology.

If \( x^2 + ax + b = 0 \) and \( x^2 + bx + a = 0 \) have exactly one common root, then the value of \( (a + b) \) is:

Suppose the slope coefficient in regression of Y on X is 15. What will be the slope coefficient in regression of Y +10 on X-5 ?

Pick the correct answer from the following two statements:
(a) Virtual image can be seen with the eyes.
(b) Virtual image can be captured on the screen.

The lens bounded by two spherical surfaces curved inwards is

If the object and image distances due to a convex lens are x each, then its focal length is

Irrespective of the position of the object on the principal axis, a concave lens always forms an image of nature

Usually Doctors, after testing for defects of vision, prescribe the corrective lens indicating their

Farsightedness is called

Relationship among the speed of light wave (v), wavelength (λ) and frequency (f) is given by

Which of the following statements on red colour light is true?

Blue colour of the sky is due to the scattering of light by the molecules of

If \(i_ 1\) and \(i _2\) are the angle of incidence and angle of emergence due to a prism respectively, then at the angle of minimum deviation

The minimum focal length of the eye-lens of a healthy human being is

Volt per ampere is called

The device which maintains a constant potential difference between its ends is called

Two resistors of 0·4 Ω and 0·6 Ω are connected in parallel combination. Their equivalent resistance is

The junction law proposed by Kirchhoff is based on

The materials which have large number of free electrons and offer low resistance are called