Question
Round off to four significant figures:
  1. 36.879
  2. 1.0084

Answer

  1. 36.88
  2. 1.008

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Force (F) and density (d) are related as:
$\text{F}=\frac{\alpha}{\beta+\sqrt{\text{d}}}$
  1. Then the dimensions of $\alpha$ are.
  2. Then the dimensions of $\beta$ are.
Frequency of oscillations of a mass $M$ hanging from a spring $n_1$. If the length of the spring is cut to half, the same mass again oscillates with frequency $n_2$. Find the value of $\frac{n_2}{n_1}.$
What are the S.I. and C.G.S. units of heat? How are they related?
What do you mean by anisotropy? Name the solid that shows anisotropy.
A photographic plate is placed directly in front of a small diffused source in the shape of a circular disc. It takes 12s to get a good exposure. If the source is rotated by 60° about one of its diameters, the time needed to getthe same exposure will be:
  1. 6s
  2. 12s
  3. 24s
  4. 48s.
Light passes through a closed cylindrical tube containing a gas. If the gas is gradually pumped out, the speed of light inside the tube will:
  1. Increase.
  2. Decrease.
  3. Remain constant.
  4. First increase and then decrease.
If the sum of all the forces acting on a body is zero, is it necessarily in equilibrium? If the sum of all the forces on a particle is zero, is it necessarily in equilibrium?
Why do we use shock absorbers in automobiles?
A cubical block of wood weighing 200g has a lead piece fastened underneath. Find the mass of the lead piece which will just allow the block to float in water. Specific gravity of wood is 0.8 and that of lead is 11.3.
Why does the speed of sound differ from a solid and a liquid medium of same length?