“Facebook” a popular social networking service was launched in which year?
A. 2003
B. 2004
C. 2005
D. None of these
A. 2003
B. 2004
C. 2005
D. None of these
A. 1947
B. 1948
C. 1949
D. None of these
A. India
B. China
C. Pakistan
D. None of these
A. Zero
B. Constant but not zero
C. Increasing uniformly with respect to
C. Both a & b
A. Frequency
B. Wavelength
C. Speed
D. All
A. Kinetic energy
B. Potential energy
C. Velocity
D. Momentum