Question
What happens when light enters a glass slab from
air?Solution
When light enters a denser medium (glass) from a less dense medium (air), it bends towards the normal due to refraction. (A) It bends away from the normal: this happens when light moves from denser to less dense mediums. (B) It undergoes total internal reflection: this only occurs when light passes at certain angles.
Sustained, extended deficiency in precipitation is called
____ fertilizer is not recommended in potato crop.Â
A ridge on a seed formed by the fusion of the funicle to the seed coat is called:
Central Potato Research Institute is situated in_____
Accept when null hypothesis is false is___
Which of the following statements about extent of infection and perpetuation of pathogen are correct?
(A) Disease which is confined to a particul...
Identify the insecticide that is not natural.
Dioecious plant species, where male and female flowers are on different plants, include:
Scientific name of soybean is:Â
Hand picking and killing of insects in field is a-
