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Assuming the disc is uniform and isotropic (the same in different directions), the hole will expand in the same ratio as the metal. It is because the thermal expansion equation applies to all lengths associated with the metal, including the circumference of the hole, since the edge of the hole is made out of metal. And if the circumference of the hole expands, so does the diameter.
Which of following group of plant nutrients is as structural elements?
Which microbe is commercially exploited as a biocontrol agent?
Rauvolfia serpentina belonging to family
One of the following seed takes longest time to germinate:
The herbicides which are ineffective on perennial plants that are able to regrow from roots or tubers.
The first stable compound formed in the photosynthesis of C3 plants is:
The Hrp genes in plant pathogens were discovered by:
Which post-harvest treatment is most effective for extending shelf life of bananas during long-distance transportation?
Which of the following statement is/are correct?
A. India’s first National Water Policy was adopted in 1977.