T
Q. Which combination of colour is the most convenient during day and night time ?
Red and green is the most convenient combination during day and night time because of very precise visibility.
You must be Logged in to update hint/solution
Q. Ball pen functions on the principle of :
Q. The dip of a magnetic needle will be zero
Q. The shape of our milky way galaxy is
Q. Rainbows are produced when sunlight :
Q. At the Curie temperature, the ferromagnetic materials get converted into
Q. Green house effect is the heating up of the Earth's atmosphere which is due to
Q. Red is used as an emergency or danger signal as
Q. The normal threshold of hearing is around
Q. A soap bubble shows colours when illuminated with white light. This is due to
Discusssion
Login to discuss.