Options:
- A. Cobalt-60
- B. Strontium-90
- C. Carbon-14
- D. Nickel-63
View Answer
A. Cobalt-60
Physics
The charge on beta particle is________________?
Options:
- A. 1
- B. -1
- C. +2
- D. -2
View Answer
A. 1
Prefix deca represents_______________?
Options:
- A. 10 Raised to power 1
- B. 10 Raised to power 2
- C. 10 Raised to power 3
- D. 10 Raised to power -1
View Answer
A. 10 Raised to power 1
An ideal standard of measurement of a base quantity has characteristics_______________?
Options:
- A. Accessible
- B. Invariable
- C. Transportable
- D. Only a and b are correct
View Answer
D. Only a and b are correct
The number 76.85 is rounded off up to two significant figures as_____________?
Options:
- A. 76.8
- B. 77
- C. 76.9
- D. None of these
View Answer
B. 77
When a body moves in a circle of radius r with linear speed V its centripetal force is_______________?
Options:
- A. mV/r2
- B. mV/r
- C. mV2/r
- D. mV2/r2
View Answer
C. mV2/r
Moving along the circumference of a circle completes two revolutions. If the radius of the circular path is R, the ratio of displacement to the covered path will be_______________?
Options:
- A. ?R
- B. 2?R
- C. 0
- D. 4?R
View Answer
C. 0
The flow of ideal fluid is always_______________?
Options:
- A. Turbulent
- B. Streamline
- C. Irregular
- D. Straight line
View Answer
B. Streamline
One torr is equal to_________________?
Options:
- A. 1.333 Nm-2
- B. .1333 Nm-2
- C. 13.33 Nm-2
- D. 133.3 Nm2
View Answer
D. 133.3 Nm2
In vibratory motion_________________?
Options:
- A. P E remains constant
- B. K E remain constant
- C. total energy remains constant
- D. total momentum remains constant
View Answer
C. total energy remains constant