CENTIMETER

Give below are two statements : Statement-I : Retardation factor ( R_(f)) can be measured in meter // centimeter. Statement II : R_(f) value of a compound remains constant in all solvents. Choose the most appropriate answer from the options given belwo :

A pulse is started at a time t=0 along the +x direction on a long, taut string. The shape of the pulse at t=0 is given by function f(x) with here f and x are in centimeters. The linear mass density of the string is 50 g//m and it is under a tension of 5N . There shape of the string is drawn at t=0 and the area of the pulse enclosed by the string the x-axis is measured. it will be equjal to

540 calories of heat convert 1 cubic centimeter of water at C o100 into 1671 cubic centimeter of steam at C o100 at a pressure of one atmosphere. Then the work done against the atmospheric pressure is nearly

A piece of string is 40 centimeters long. It is cut into three pieces. The longest piece is 3 times as long as the middle- sized piece and the shortest piece is 23 centimeters shorter than the longest piece. Find the length of the shortest piece.

Let us use a centimeter scale (on which only centimeter scales are there) to measure a length AB. From the figure, we can see that length AB is more than 7 cm and less than 8cm . In this case, Least Count (LC) of this centimeter scale is 1 cm, as it can measure accurately, upto centimeters only. If we note down the length (l) of line AB as l = 7cm then maximum uncertainly or maximum possible error in l can be 1 cm(=LC), because this scale can measure accurately only upto 1cm.

There are two concentric circles such that the area of the outer circle is four times the area of the inner circle. Let A, B and C be three distinct point on the perimeter of the outer circle such that AB and AC are tangents to the inner circle. If the area of the outer circle is 12 square centimeters then the area (in square centimeters) of the triangle ABC would be:

An ungraduated thermometer of uniform bore is attached to a centimeter scale and is found to read 10.3 cm in melting ice, 26.8 cm in boiling water and 6.5 cm in freezing mixture. Calculate the temperature of the freezing mixture.

When a centimeter thick surface is illuminated with light of wavelength lamda , the stopping potential is V. When the same surface is illuminated by light of wavelength 2lamda , the stopping potential is (V)/(3) . Threshold wavelength for the metallic surface is