131. Dimensional formula of latent heat is
A. \(M^{0}L^{2}T^{-2}\)
B. \(M^{2}L^{0}T^{-2}\)
C. \(M^{1}L^{2}T^{-1}\)
D. \(M^{2}L^{2}T^{-1}\)
Answer : Option A
Explanation :
\(latent\ heat(Q)=\frac{heat\ energy}{mass}\)
132. Dimensions of impulse is
A. \(M^{-1}L^{-1}T^{1}\)
B. \(M^{1}L^{1}T^{-1}\)
C. \(M^{1}L^{1}T^{1}\)
D. \(M^{1}L^{2}T^{-2}\)
Answer : Option B
133. Write dimensional formula of coefficient of viscosity
A. \(M^{1}L^{2}T^{-1}\)
B. \(M^{-1}L^{1}T^{1}\)
C. \(M^{1}L^{-1}T^{-1}\)
D. \(M^{1}L^{1}T^{-1}\)
Answer : Option C
Explanation :
\(Coefficient\ of\ viscosity=\frac{Force\times Time}{(Length)^{2}}\)
134. Dimensional formula for torque is
A. \(M^{2}L^{2}T^{-3}\)
B. \(M^{2}L^{1}T^{-2}\)
C. \(M^{1}L^{1}T^{-2}\)
D. \(M^{1}L^{2}T^{-2}\)
Answer : Option C
135. Dimensional formula for capacitance (C)
A. \(M^{-1}L^{-2}T^{4}A^{2}\)
B. \(M^{1}L^{-2}T^{4}A^{2}\)
C. \(M^{-1}L^{-2}T^{3}A^{1}\)
D. \(M^{3}L^{1}T^{-1}A^{-2}\)
Answer : Option D
136. Dimensional formula for Boltzmann’s constant is
A. \(M^{1}L^{1}T^{-2}K^{-1}\)
B. \(M^{2}L^{1}T^{-2}K^{-1}\)
C. \(M^{1}L^{2}T^{-2}K^{-1}\)
D. \(M^{2}L^{2}T^{1}K^{-2}\)
Answer : Option A
137. Dimensional formula for electromotive force (emf)
A. \(M^{2}L^{1}T^{-1}K^{-3}\)
B. \(M^{1}L^{2}T^{-3}K^{-1}\)
C. \(M^{1}L^{1}T^{-3}K^{-1}\)
D. \(M^{1}L^{2}T^{3}K^{-1}\)
Answer : Option B
138. Which physical quantity has dimensional formula as CR where C - Capacitance and R - Resistance ?
139. Write the dimensional formula of the ratio of linear momentum to angular momentum.
A. \(M^{0}L^{-1}T^{0}\)
B. \(M^{1}L^{1}T^{0}\)
C. \(M^{0}L^{1}T^{0}\)
D. \(M^{0}L^{1}T^{1}\)
Answer : Option A
140. If L and R are represented as the inductance and resistance respectively then the dimensional formula of R/L will be
A. \(M^{-2}L^{1}T^{-2}A^{1}\)
B. \(M^{0}L^{0}T^{-1}A^{0}\)
C. \(M^{1}L^{-1}T^{0}A^{1}\)
D. \(M^{1}L^{3}T^{1}A^{0}\)
Answer : Option B