Which one of the following statements is not correct ?
Human eye is a refracting system containing a diverging lens.
The retina of the human eye contains millions of light sensitive cells, called rods and cones, which convert the light into electrical messages.
Every image that is focused on the retina is upside down.
We need both eyes to judge the relative positions of objects accurately.
For election to the Lok Sabha, a nomination paper can be filed by
Miscellaneous · Easy
In a month if the seventh day is three days earlier than Saturday,then the nineteenth day of the month will be a
Miscellaneous · Easy
Which among the following events happened earliest ?
Miscellaneous · Easy
An 80-litre solution of alcohol and water has 75% alcohol. How much water (in litres) must be added to bring down the concentration of alcohol to 60%?
Miscellaneous · Easy