Q. 163.6( 35 Votes )
Textbooks on science may give you a wrong impression that studying science is dry and all too serious and that scientists are absent-minded introverts who never laugh or grin. This image of science and scientists is patently false. Scientists, like any other group of humans, have their share of humourists, and many have led their lives with a great sense of fun and adventure, even as they seriously pursued their scientific work. Two great physicists of this genre are Gamow and Feynman. You will enjoy reading their books listed in the Bibliography.
Scientists, like any other group of humans, have their share of humourists, and many have led their lives with a great sense of fun and adventure, even as they seriously pursued their scientific work. We can take the example of many scientists like Albert Einstein, Richard Feynman. C.V. Raman, etc., who were fun, adventurists and loving. Albert Einstein played the violin and enjoyed Mozart’s music, Richard Feynman the greatest explainer ever was humours and he played the bongo in addition to doing the serious scientific work.
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The electric current in a charging R-C circuit is given by where R and C are constant parameters of the circuit and t is time. Find the rate of change of current at (a) t = 0, (b) t = RC, (c) t = 10 RC.HC Verma - Concepts of Physics Part 1
The length and the radius of a cylinder measured with a slide calipers are found to be 4.54 cm and 1.75 cm respectively. Calculate the volume of the cylinder.HC Verma - Concepts of Physics Part 1
A meter scale is graduated at every millimeter. How many significant digits will be there in a length measurement with this scale?HC Verma - Concepts of Physics Part 1
Find the area bounded under the curve y = 3x2 + 6x + 7 and the X-axis with the ordinates at x = 5 and x = 10.HC Verma - Concepts of Physics Part 1
The length of the string of a simple pendulum is measured with a meter scale to be 90.0 cm. The radius of the bob plus the length of the hook is calculated to be 2.13 cm using measurements with a slide callipers. What is the effective length of the pendulum? (The effective length is defined as the distance between the point of suspension and the center of the bob.)HC Verma - Concepts of Physics Part 1
Though the statement quoted above may be disputed, most physicists do have a feeling that the great laws of physics are at once simple and beautiful. Some of the notable physicists, besides Dirac, who have articulated this feeling, are Einstein, Bohr, Heisenberg, Chandrasekhar, and Feynman. You are urged to make special efforts to get access to the general books and writings by these and other great masters of physics.
(See the Bibliography at the end of this book.) Their writings are truly inspiring!NCERT - Physics Part-I
Draw a graph from the following data. Draw tangents at x = 2, 4, 6 and 8. Find the slopes of these tangents. Verify that the curve drawn is y = 2x2 and the slope of tangent is
x 1 2 3 4 5 6 7 8 9 10
y 2 8 18 32 50 72 98 128 162 200
HC Verma - Concepts of Physics Part 1
Find the area bounded by the curve y = e-x, the X-axis and the Y-axis.HC Verma - Concepts of Physics Part 1