Water waves pass from deep into the shallow region and are then refracted. The characteristics of waves which will remain constant is _____...?
(A) Direction
(B) Frequency
(C) Speed
(D) Wavelength
✅ Correct Answer:Frequency
Comments
Water waves pass from deep into the shallow region and are then refracted. The characteristics of waves which will remain constant is _____...?
The echo (reflected sounD. will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least ________...?
(A) 1120 ft
(B) 120 ft
(C) 56 ft
(D) 100 ft
✅ Correct Answer:56 ft
Comments
The echo (reflected sounD. will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least ________...?
In which pollination, mature pollen grains transfer from another of one flower to the stigma of the same flower or another/different flower of the same plant...?
(A) Self Pollination
(B) Cross Pollination
(C) Artificial Pollination
(D) Hybrid Pollination
✅ Correct Answer:Self Pollination
Comments
In which pollination, mature pollen grains transfer from another of one flower to the stigma of the same flower or another/different flower of the same plant...?
In which pollination, mature pollen grains from anther of one flower are transferred to the stigma of flower on another plant of the same kind...?
(A) Self Pollination
(B) Cross Pollination
(C) Artificial Pollination
(D) Hybrid Pollination
✅ Correct Answer:Cross Pollination
Comments
In which pollination, mature pollen grains from anther of one flower are transferred to the stigma of flower on another plant of the same kind...?