1. February 11, 2016 Scientific collaboration of LIGO announced the discovery of.
- (A) electromagnetic waves
- (B) seismic waves
- (C) gravitational waves
- (D) radio waves
2. The charge SI unit is.
- (A) Ampere
- (B) Coulomb
- (C) Ohm
- (D) Volt
3. Very high frequency (VHF) has __________ wavelengths.
- (A) shorter
- (B) shortest
- (C) longer
- (D) longest
4. defect of farsightedness can be corrected with __________ lens.
- (A) concave
- (B) convex
- (C) diverging
- (D) none of these
5. Deficiency of vitamin A leads to
- (A) night blindness
- (B) Rickets
- (C) scurvy
- (D) hair loss
6. For a fixed mass of gas at a constant temperature, if we reduce the volume, the pressure will be
- (A) also decreases
- (B) increase
- (C) remains constant
- (D) none of these
7. The lifespan of erythrocytes is __________ days.
- (A) 60
- (B) 120
- (C) 180
- (D) 240
8. Density of water
- (A) 1 g / cm3
- (B) 1.5 g / cm3
- (C) 2 g / cm3
- (D) none of these
9. Radioactivity was detected
- (A) Calvin
- (B) Thomson
- (C) Rutherford
- (D) Becquerel
10. A device that converts chemical energy into electrical energy is called
- (A) motor
- (B) the generator
- (C) moving coil meter
- (D) Battery
0 comments:
Post a Comment