# Mathematics

6 Questions | Total Attempts: 12  Settings  U. M. E past questions

Related Topics
• 1.
1.        A rectangular picture 6cm by 8cm is enclosed by a frame 1/2 cm wide, calculate the area of the frame.
• A.

15sq.cm

• B.

20sq.cm

• C.

13sq.cm

• D.

16sq.cm

• E.

17sq.cm

• 2.
2.
• A.

3 2/3

• B.

5 1/4

• C.

1 1/2

• D.

8 1/8 # harmonics # harmonics HARMONICS

• E.

-3 11/4

• 3.
Chromatic aberration of a lens is caused by...
1.
2.
3.
4.
• A.

Diffraction

• B.

Diffusion

• C.

Dispersion

• D.

# interference # interference INTERFERENCE

• 4.
·  The molar gas constant is the same for all gases because, at the same pressure and temperature, equal volumes of gases have the same...
1. number of molecules
2. average kinetic energy
3. density
4. mass
• A.

# number of molecules # number of molecules NUMBERS OF MOLECULES

• B.

Average kinetic energy

• C.

Density

• D.

# mass MASS

• 5.
·  A Hall probe is used to determine...
1. the magnetic moment of a coil
2. the susceptibility of a material
3. relative permittivity
4. magnetic flux density
• A.

The magnetic moment of a coil

• B.

# magnetic flux density # magnetic flux density # magnetic flux density MAGNETIC FLUX DENSITY

• C.

Relative permittivity

• D.

The susceptibility of a material

• 6.
Ghgkjhlkjkljlkkmlkm
• A.

Hgbkjhjh

• B.

Bghjgjkhjkhjk

• C.

Hjkhkjhkjl

• D.

Hgbhbjkbkj