(Molar mass of gas is 32 and molar mass of is 4)
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
If mass defect of an alpha particle is 0.05 amu, what is its binding energy per nucleon?
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Appeared in Year: 2005
A 50 Hz a. c. source of 50 volts is connected across R and C as shown in figure below. The voltage across R is 20 volts. The voltage across C is –
The Series Circuit Diagram of Resistance and Capacitor
Choice (4) | Response | |
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a. | 9 V | |
b. | 25 V | |
c. | 46 V | |
d. | 90 V |
A coil of copper having 1600 turns is placed in a magnetic field perpendicular to its plane. The cross sectional area of the coil is 0.07 m2. If it turns through 180° in 0.04 sec, then the induced emf in the coil is –
Choice (4) | Response | |
---|---|---|
a. | 2.24 V | |
b. | 22.4 V | |
c. | 0.224 V | |
d. | 224 V |
An organ pipe closed at one end has fundamental frequency of 1000 Hz. The maximum number of overtones generated by this pipe which a normal person can hear is –
Choice (4) | Response | |
---|---|---|
a. | 5 | |
b. | 8 | |
c. | 10 | |
d. | 9 |