X-ray Attenuation MCQ (Multiple Choice Questions) PDF - 58

MCQ 286: As the x-rays pass through matter, it's intensity

1. increases
2. decreases
3. remains constant
4. may increase or decrease depending on the object

MCQ 287: Acceleration of free fall depends on the

1. surface
2. weight of object
3. distance from center of Earth
4. size of object

MCQ 288: Change in length and cross-sectional area of metal wire changes

1. current
2. voltage
3. resistance
4. magnetic effect

MCQ 289: Square of orbital period is proportional to

1. radius
2. square of radius
3. cube of radius
4. square of diameter

MCQ 290: Height of atmosphere, if atmospheric density is 1.29 kg m^-3 and atmospheric pressure is 101 kPa, is

1. 7839.4 m
2. 7829.4 m
3. 7849.4 m
4. 7859.4 m