A person standing at the centre of a rectangular room is looking into a 1 m long mirror at the opposite end of the room. How much of the painted wall can he see through the 1 m long mirror?
Please provide the complete answer.The answer is left after "let the length be l"
A 20 Pa pressure is applied on the head of a nail placed perpendicular to the surface of a wall. If the area of cross-section of the tip of the nail is (1/10) times the area of cross-section of the head, the pressure exerted at the wall is
DNone of these.
In a certain code language, RUSTICATE is written as QTTUIDBSD. How would STATISTIC be written in that code language?
The given graph shows changes in the pressure in lungs during breathing.
Which of the following is incorrect regarding this?
(i) Region R to T represents inhalation.
(ii) Region P to R represents inhalation.
(iii) Region P to R represents exhalation.
(iv) Ribcage will move upward and diaphragm will get flattened at point S.
(v) Ribcage will move downward and diaphragm will become dome shaped at point S.
A(ii), (iii) and (v)
B(i), (iii) and (iv)
C(ii) and (v) only
D(i) and (iii) only
In the given figure, a, b, c represent the things required by the leaf to prepare food. Select the correct option from the following.
What is the answer to this question?
If you remove the pistil from a flower and cut the ovary using a sharp blade as shown in the given figure, what structure of the ovary will you see ?
Read the given statements and select the option which correctly fills blank (i-iv).
(i) The rotting dead organic matter present in the soil is called _______.
(ii) Wheat crop grows best in ______ soil.
(iii) The water holding capacity is highest in _____.
(iv) _______ horizon is also called parent rock
what is B A C A in iv