NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1539 - 1543 of 5119
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Question 1539
Question MCQ▾
Consider the decay of radium- (Ra226) atom into an alpha particle and radon- (Rn222) . Then, what is the mass defect of the reaction-
Mass of radium -226 atom = 226.0256 u
Mass of radon - 222 atom = 222.0715 u
Mass of helium - 4 atom = 4.0026 u
Choices
Choice (4) | Response | |
---|---|---|
a. | 0.0083 u | |
b. | 0.0053 u | |
c. | 0.083 u | |
d. | Question does not provide sufficient data or is vague |
Question 1540
Question MCQ▾
Nuclear radius of8 O16 is 3 × 10-15 m. Find the density of nuclear matter.
Choices
Choice (4) | Response | |
---|---|---|
a. | 1.66 × 1017 kgm3 | |
b. | 7.5 × 1017 kgm-3 | |
c. | 5.7 × 1017 kgm3 | |
d. | 2.3 × 1017 kgm-3 |
Question 1541
Question MCQ▾
The pressure P, volume V and temperature T of a gas in the jar A and the other gas in the jar B at pressure 2 P , volume and temperature 2T, then the ratio of the number of molecules in the jar A and B will be
Choices
Choice (4) | Response | |
---|---|---|
a. | 1: 2 | |
b. | 4: 1 | |
c. | 2: 1 | |
d. | 1: 1 |
Question 1542
Question MCQ▾
The relation between the gas pressure P and average kinetic energy per unit volume E is
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 1543
Question MCQ▾
7 calories of heat are required to raise the temperature 2 moles of an ideal gas at constant pressure from 30°C to 35°C. The amount of heat required to raise the temperature of same gas through the same range (30° C to 35° C) at constant volume (R = 2 Cal/mole K)
Choices
Choice (4) | Response | |
---|---|---|
a. | 70 Cal | |
b. | 30 Cal | |
c. | 50 Cal | |
d. | 90 Cal |