- Liquids that evaporate quickly are known as ______ liquids?
A. Viscous
B. Transient
C. Volatile
D. Light
PMS (P) GK-15/Asst PPD-20
- We see the flash of lightning before we hear the sound of thunder because:
A. The light rays cannot be obstructed by atmosphere
B. The sound waves travel much faster than light waves
C. The light waves travel much faster than sound waves
D. None of these
♦ Credit To: Arooj Fatima ♦
- The color of the sky is blue due to _____ of light.
A. Reflection
B. Scattering
C. Refraction
D. Diffraction
♦ Credit To: Nouman Sheikh ♦
- Which particle has the most penetrating power among these?
A. Alpha Rays
B. Beta Rays
C. Gamma Rays
D. None of above
Asst PAD-18
Alpha Rays has the most ionizing power.
- Which of the following is the highest energy photon?
A. Alpha Rays
B. Beta Rays
C. Gamma Rays
D. None of above
Asst PLRA-20
- Which chemical element has properties of a metal and non-metals?
A. Lanthanoid
B. Metalloid
C. Actanoid
D. Graphite
PMS (P) GK-16