Options:
- A. 1
- B. 2
- C. 3
- D. 4
View Answer
A. 1
Physics
The velocity of the mass attached to a spring is maximum at_______________?
Options:
- A. Mean position
- B. Extreme position
- C. Both A and B
- D. None
View Answer
A. Mean position
Sterilization of surgical instruments medical supplies and bandages can be done by exposing them to a beam of_______________?
Options:
- A. ?-rays
- B. ?-rays
- C. ?-rays
- D. B and C have equal antiseptic propertie
View Answer
C. ?-rays
Why gamma rays are used to kill bacteria to sterilize surgical equipment etc ?
Options:
- A. Chargeless
- B. Massless
- C. Highly penetrating
- D. All of above
View Answer
C. Highly penetrating
The error in measurement may occur due to_________________?
Options:
- A. The inexperience of a person
- B. The faulty apprentice
- C. Inappropriate method
- D. Due to all reasons in A, B and C
View Answer
D. Due to all reasons in A, B and C
Total uncertainty, in the result obtained from the subtraction of two measurements, is equal to_______________?
Options:
- A. Sum of their absolute uncertainties
- B. The difference of their absolute uncertainties
- C. The product of their absolute uncertainties
- D. Division of their absolute uncertainties
View Answer
A. Sum of their absolute uncertainties
Which of the following is not a correct representation method for prefixes______________?
Options:
- A. 1mm
- B. 10km
- C. 1000um
- D. Both A and B
View Answer
C. 1000um
A stone is whirled in a vertical circle at the end of a string. When the stone is at the highest position the tension in the string is______________?
Options:
- A. Maximum
- B. Zero
- C. Equal to the weight of the stone
- D. Less than the weight of the stone
View Answer
C. Equal to the weight of the stone
A man of weight W is standing on an elevator which is ascending with an acceleration a. The apparent weight of the man is_______________?
Options:
- A. mg
- B. mg
- C. mg + ma
- D. mg
View Answer
C. mg + ma
The drag force is given by_________________?
Options:
- A. Newtons law
- B. Pascals law
- C. Gauss law
- D. Stokes law
View Answer
D. Stokes law