The most densest substance on the Earth is __________.
A. Platinum
B. Copper
C. Steel
D. Osmium (more…)
Long-sight defect could be corrected by using
__________ lens.
A. concave
B. Convex
C. diverging
D. none of these (more…)
Very High Frequency (VHF) have __________ wavelengths.
A. shorter
B. shortest
C. longer
D. longest
Radioactivity was discovered by __________.
A. Kelvin
B. Thomson
C. Rutherford
D. Henri Becquerel (more…)
Biopsy is done on tissues takenfrom__________.
A. Human body
B. Living body
C. Animal body
D. Dead body