- small focal length and large diameter
- large focal length and small diameter
- large focal length and large diameter
- small focal length and small diameter
Author: Zabeehullah
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- the temperature of the system is non uniform and different from the temperature of the surrounding
- the mechanical properties is non uniform throughout the system
- the state functions of the system do not change with time
- only pressure of the reaction is at equilibrium
- semiconductors
- good conductors
- insulators
- ferromagnetic materials
- Principal quantum number
- Azimuthal quantum number
- Spin quantum number
- Magnetic quantum number
- r, r–¹
- r–¹, r–²
- r–², r–3
- r–², r–²
- B
- 2B
- 4B
- 8B
- Zero
- Positive
- Negative
- None of the above
- 260 Hz
- 254 Hz
- 246 Hz
- 240 Hz
- Upon the system by a nonconservative force
- By the system against a conservative force
- By the system against a nonconservative force
- Upon the system by a conservative force
- Linear motion
- Simple motion
- Rectilinear motion
- None of the above
- If someone gets an electric shock, cut off the power first.
- When overhauling circuit faults, try to work under power-on conditions.
- For electrical appliances with metal shells, the metal shell must be grounde
- To ensure circuit safety, try not to use multiple high-power electrical appliances at the same time.
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