Physics
Measusrement
Page 18 of 28
#137 The constant $c$ in $E=mc^{2}$ has unit:
A) $\text{m s}^{-1}$
B) $\text{m s}^{-2}$
C) $\text{s}^{-1}$
D) $\text{m}$
#138 Check the relation $T=2\pi\sqrt{\dfrac{l}{g}}$ for a simple pendulum by dimensions.
A) Consistent
B) Inconsistent
C) Depends on amplitude
D) Depends on mass
#139 Is $E=\tfrac{1}{2}mv^{2}$ dimensionally consistent?
A) Yes
B) No
C) Gives momentum
D) Gives power
#140 Is $E=\tfrac{1}{2}mv^{2}$ dimensionally consistent?
A) Yes
B) No
C) Gives momentum
D) Gives power
#141 Is $E=\tfrac{1}{2}mv^{2}$ dimensionally consistent?
A) Yes
B) No
C) Gives momentum
D) Gives power
#142 Check the relation $T=2\pi\sqrt{\dfrac{l}{g}}$ for a simple pendulum by dimensions.
A) Consistent
B) Inconsistent
C) Depends on amplitude
D) Depends on mass
#143 Is $P=Fv$ dimensionally consistent?
A) Yes, gives power
B) No, gives energy
C) No, gives momentum
D) No, gives pressure
Page 18 of 28
Register or Login for comments
Comments: