In modern science, what is 'fourth dimension'?
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Names of some plants and trees that sleep during the day
Who is the oldest cosmonaut?
An element that does not occur in nature but can be produced artificially is 1 Thorium 2 Radium 3 Plutonium 4 Uranium
Which of the following is commonly called a ‘polyamide’? 1 Rayon 2 Orlon 3 Terylene 4 Nylon
When did the most luminous nova appear?
neel armstrong belongs to which country ?
is there any device to convert to mechanical energy into electrical energy
The two elements that are frequently used for making transistors are 1 Boron and aluminium 2 Silicon and germanium 3 Iridium and tungsten 4 Niobium and columbium
Which of the following is in liquid form at room temperature? 1 Cerium 2 Sodium 3 Francium 4 Lithium
When did india conduct three under ground nuclear tests?
Arihant was commissioned on which day?
Bell metal is an alloy of 1 Brass an nickel 2 Zinc and copper 3 Tin and copper 4 None of these