KA2001

If two electric bulbs have 40 W and 60 W ratings at 220 V, then the ratio

If two electric bulbs have 40 W and 60 W ratings at 220 V, then the ratio of their resistances…

The pH of stomach ranges between

The pH of stomach ranges between Options (a) 7.1 to 8.2 (b) 7.6 to 8.6 (c) 1.5 to 2.0 (d)…

Swan neck flask experiment was performed by

Swan neck flask experiment was performed by Options (a) Louis Pasteur (b) Darwin (c) Oparin & Haldane (d) Aristotle Correct…

The spark-discharge apparatus to test chemical evolution life was designed by

The spark-discharge apparatus to test chemical evolution life was designed by Options (a) Oparin and Haldane (b) Urey and Miller…

MOET is a method of

MOET is a method of Options (a) fish cultivation (b) birth control in humans (c) cloning is sheep (d) hybridization…

When we hear a sound, we can identify its source from

When we hear a sound, we can identify its source from Options (a) Amplitude of sound (b) Intensity of sound…

Newton postulated his corpuscular theory on the basis of

Newton postulated his corpuscular theory on the basis of Options (a) Newton's Rings (b) Colours of thin films (c) Rectilinear…

The S.I. unit of electric flux is

The S.I. unit of electric flux is Options (a) Weber (b) Newton per coulomb (c) Volt x metre (d) Joule…

A spherical conductor of radius 2 m is charged to a potential of 120 V. It is now

A spherical conductor of radius 2 m is charged to a potential of 120 V. It is now placed inside…

The work function for aluminium is 4.125 eV. The cutoff wavelength for photoelectric

The work function for aluminium is 4.125 eV. The cutoff wavelength for photoelectric effect for aluminium will be Options (a)…