ٹھوسوں کی طبیعیات

بارہویں جماعت · طبیعیات · 5 سوالات

نام: ____________________ تاریخ: ____________

Stress is defined as:
- A Area / force
- B Force x area
- C Force per unit area
- D Extension per unit length
Young's modulus is the ratio of:
- A Stress to strain
- B Length to mass
- C Force to area
- D Strain to stress
The energy gap between the valence and conduction bands is largest in:
- A Conductors
- B Semiconductors
- C Superconductors
- D Insulators
The resistance of a semiconductor generally with rising temperature:
- A Decreases
- B Becomes infinite
- C Stays constant
- D Increases
A material that loses its resistance below a critical temperature is a:
- A Superconductor
- B Dielectric
- C Insulator
- D Semiconductor

جوابی کلید

1. C, 2. A, 3. D, 4. A, 5. A