Physics-Objective Related Question Answers
626. Particle with least velocity?
Alpha
627. Radioactive elements used as medicine?
Phosphorous 32; Iodine 131; Oxygen 15
628. Compound used as heavy water?
Deuterium Oxide (D2O)
629. Deuterium is known as?
Heavy hydrogen
630. The radio active isotope used for the treatment of cancer is?
Cobalt 60
631. The process of combining of two lighter nuclei to give a heavier nucleus is called?
Nuclear fusion
632. Nuclear fusion is otherwise called as?
Thermonuclear reaction
633. Hydrogen bomb is based on the principle of?
Nuclear fusion
634. Nuclear fusion was discovered by?
Hans Bathe
635. Isotope of hydrogen used in nuclear fusion?
Tritium
636. The main source of solar energy is?
Nuclear fusion
637. The phenomenon of breaking a heavy nucleus into two light nuclei of almost equal masses along with release of huge amount of energy is called?
Nuclear fission
638. Uncontrolled chain reaction is the working principle of?
Atom Bomb
639. Nuclear fission was discovered by?
Ottohann and Friz strassmann
640. Time interval taken by a radioactive substance to disintegrate to half of its initial weight is called?
Half life
641. Radio Carbon (carbon -14) has a half life of?
5760 years
642. The average lifetime of atoms in a radioactive substance is called?
Mean life
643. Uranium - 235 is known as?
Enriched uranium
644. The technique used to determine the age of fossils of animals and plants?
Carbon dating
645. The technique used to estimate the age of rocks from the moon?
Uranium dating
646. The technique used for finding the age of rocks?
Rubidium – Strontium dating
647. The technique used for calculating the age of caves and sea animals?
Uranium - Thorium dating
648. Dating method used for determining the age of archaeological materials?
Thermoluminescence
649. Fourth largest source of electricity in India?
Nuclear power
650. First atomic reactor in India?
Apsara' in Trombay (Maharashtra)
© 2002-2017 Omega Education PVT LTD...Privacy | Terms And Conditions
Question ANSWER With Solution