For
a fixed mass of gass at constant temperature, if we decrease volume, the
pressure will
A. also decrease
B. increase
C. remains constant
D. none of these
A. also decrease
B. increase
C. remains constant
D. none of these
The
lifespan of Red Blood Cells is __________ days.
A. 60
B. 120
C. 180
D. 240
A. 60
B. 120
C. 180
D. 240
Density
of water is
A. 1 g/cm3
B. 1.5 g/cm3
C. 2 g/cm3
D. none of these
A. 1 g/cm3
B. 1.5 g/cm3
C. 2 g/cm3
D. none of these
Radioactivity
was discovered by
A. Kelvin
B. Thomson
C. Rutherford
D. Bacquerel
A. Kelvin
B. Thomson
C. Rutherford
D. Bacquerel
A
device which converts chemical energy into electrical energy is called
A. motor
B. generator
C. moving-coil meter
D. battery
A. motor
B. generator
C. moving-coil meter
D. battery