Question
Speed of light is about
__________.Solution
The speed of light in vacuum is 3×108 m/s. Sunlight takes about 8 minutes to reach the Earth. Express distance of the Sun from Earth in standard form.
In Young’s double-slit experiment, dark fringes on the screen occur where:
What happens when dilute hydrochloric acid is added to iron fillings ?
Which of the following statements about permanent tissues is correct ?
NaOH + HC1 -> NaCl + Hâ‚‚ O in the given chemical reactionÂ
Which among the following is necessarily present in an alloy for it to be referred as ‘Amalgam’?
Which of the following is the hardest substance known?
With the increase of pressure, the boiling point of any substance –
Minamata disease, a neurological disorder, is caused by eating fish contaminated with which element?
Group number and valency have no relation in
Which of the following statements is true about cell signaling?
