141. Write the dimensional formula of r.m.s (root mean square) speed.
A.
B.
C.
D.
Answer : Option C
Explanation :
root mean square speed
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142. One physical quantity represented by an equation as where p, q and c are length then quantity is
A. Length
B. Velocity
C. Area
D. Volume
Answer : Option C
Explanation :
If
then Area
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143. The dimensional formula of magnetic flux is
144. Which physical quantity has unit of pascal - second ?
A. Force
B. Energy
C. Coefficient of viscocity
D. Velocity
Answer : Option C
Explanation :
pascal second
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145. Dimensional formula of CV ? where C - capacitance and V - potential different
146. The equation of a wave is given by where is the angular velocity and is the linear velocity. Write the dimensional formula of
A.
B.
C.
D.
Answer : Option A
Explanation :
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147. If p and q are different physical quantities then which one of following is only possible dimensionally ?
148. From equation is dimensionally correct find the dimensional formula for b ? where p = pressure v = volume
A.
B.
C.
D.
Answer : Option A
Explanation :
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149. Pressure where in meter and in time then find dimensional formula of
A.
B.
C.
D.
Answer : Option B
Explanation :
Same as
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150. Find the dimensional formula for energy per unit surface area per unit time
