Which of the following has the least wavelength?
X-rays
Microwaves
Ultra Violet rays
Radio waves
Additional Questions
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Ozone layer of atmosphere absorbs |
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A radio active element "X" with a halflife of 2 hours decay giving a stable element"Y". After a time of "t" hours the ratio of atoms is 1:7 then, the value of |
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The compounds formed when hydrogen combines with p-block elements are called |
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Among the following salts, which is a salt of weak acid and strong base |
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Choose the micronutrient needed for plant growth |
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The root nodules of Casuarina which are capable of symbiotic nitrogen fixation contain themicrobe |
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Which cytoplasmic organelle is associated with acrosome formation in the spermatozoa of animals? |
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Deficiency of folic acid leads to |
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A feature common to nucleus, chloroplast and mitochondria is the presence of |
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Hormone secreted in root tip during the formation of nodule is |
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