Units of measurement, SI units, fundamental and derived units
- Plane angle and solid angle have : Answer: 2. Units but no dimensions Plane angle is arc/radius (a ratio of lengths) and solid angle is area/radius squared, so both are dimens... 1
- The energy required to break one bond in DNA is 10^-20 J. This value in eV is nearly : Answer: 3. 0.06 Convert joules to eV using 1\ eV=1.6×10⁻¹⁹ J. E=frac10⁻²⁰1.6×10⁻¹⁹=0.0625≈0.06\ eV Answer: option 3. 1