Practice Ibps questions set 2 - general science mcq Online Quiz (set-1) For All Competitive Exams

Q-1)   How many units of electricity will be consumed if you use a 60 watt electric bulb for 5 hours everyday for 30 days?

(a)

(b)

(c)

(d)


Q-2)   Small drops of the same size are charged to V volts each. If n such drops coalesce to form a single large drop, its potential will be

(a)

(b)

(c)

(d)


Q-3)   In a common base amplifier the phase difference between the input signal voltage and the output voltage is

(a)

(b)

(c)

(d)

Explanation:

The phase difference between output voltage and input signal voltage in common base transistor circuit is zero


Q-4)   To shield an instrument from external magnetic field, it is placed inside a cabin made from

(a)

(b)

(c)

(d)

Explanation:

The cabin is made up of iron because maximum magnetic lines of forces pass through it.


Q-5)   Consider the following statements
  1. Clear sky appears blue due to poor scattering of blue wavelength of visible light.
  2. Red part of light shows more scattering than blue light in the atmosphere.
  3. In the absence of atmosphere, there would be no scattering of light and sky will look black.
Which of the statements given above is/are correct?

(a)

(b)

(c)

(d)


Q-6)   Consider the following statement: The principle of total internal reflection is applicable to explain the
  1. Formation of mirage in desert.
  2. Formation of image in microscope.
  3. Colour of evening sky.
  4. Operation of optical fibres.
Which of the statement given above are correct?

(a)

(b)

(c)

(d)


Q-7)   A far-sighted person has a near point at 100 cm. What must be the power of the correcting lens?

(a)

(b)

(c)

(d)


Q-8)   If the electrical resistance of a typical substance suddenly drops to zero then the substance is called

(a)

(b)

(c)

(d)


Q-9)   Five bulbs each of 100 watt capacity in a tunnel are illuminated continuously for twenty hours. The consumption of electricity will be

(a)

(b)

(c)

(d)


Q-10)   What is the order of magnitude of electric resistance of the human body (dry)?

(a)

(b)

(c)

(d)