Answer the following
What is the temperature of the triple point of water on an absolute scalw whose unit interval size is equal to that of the Fahrenheit scale?

What is the value of triple point of water?

What is the importance of a absolute scale of temperature?

Answer the following There were two fixed points in the original celsius scale as mentioned above which were assigned the number 0^@C and 100^@C respectively. On the absolute scale, one of the fixed points is the triple point of water which on the kelvin absolute scale is assigned the number 273.16 K. What is the other fixed point on this (kelvin ) scale?

Write the answer of the following question : What is the name of horizontal and vertical lines drawn to determine the position of any point in the cartesian plane ?

Answer the following The triple-point of water is a standard fixed point in modern thermometry, why? What is wrong in taking the melting point of ice and the boiling point of water as standard point 1 as was originally done in the celsius scale?

Answer the following questions: The earth’s magnetic field varies from point to point in space. Does it also change with time? If so, on what time scale does it change appreciably?

From the figure, answer the following Write the points whose ordinate is 0.

From the adjoining fig answer the following: (a) What is the number of parallel lines (b) Number of pairs of intersecting lines (c) Three sets of collinear points (d) Three sets of points of intersection of two lines (e) Number of triangles formed