$$ \text { Match the LIST-I with LIST-II } $$
| List - I |
List - II |
||
|---|---|---|---|
| A. | Planck's constant | I. | $$ \mathrm{ML}^2 \mathrm{~T}^{-2} $$ |
| B. | Stopping potential | II. | $$ \mathrm{T}^{-1} $$ |
| C. | Work function | III. | $$ \mathrm{ML}^2 \mathrm{~T}^{-1} $$ |
| D. | Threshold frequency | IV. | $$ \mathrm{ML}^2 \mathrm{~T}^{-3} \mathrm{~A}^{-1} $$ |
Choose the correct answer from the options given below:
In a screw gauge when the circular scale is given five complete rotations it moves linearly by 2.5 mm . If the circular scale has 100 divisions, the least count of screw gauge is $\_\_\_\_$ mm.
Dimensions of universal gravitational constant ($G$) in terms of Planck's constant ($h$), distance ($L$), mass ($M$) and time ($T$) are _______.
In a screw gauge the zero of main scale reference line coincides with the fifth division of the circular scale when two studs are in contact. There are 100 divisions in circular scale and pitch of screw gauge is 0.1 mm. When diameter of a sphere is measured, the reading of main scale is 5 mm and 50th division of circular scale coincides with the reference line of main scale. The diameter of sphere is ______ mm.
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