851Civil EngineeringMedium
In an internal focussing type of telescope, the lens provided is________?
Aconvex
Bconcave
Cplano-convex
Dplano-concave
Correct answer
B. concave
Explanation
The correct answer is concave.
Correct answer
B. concave
Explanation
The correct answer is concave.
Pick up the correct statement from the following?
Pick up the correct statement from the following?
Effect of a force on a body depends upon________?
If the coliform bacteria is present in a sample of water, then the coliform test to be conducted is________?
The bottom of the sewage inlet chamber of septic tanks, is provided an outward slope________?
Tensile strength of steel used in rails should not be less than________?