Free Physics of Solids MCQs with Answers
320 Physics of Solids MCQs from Physics, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
Solids are compared through crystal structure, amorphous arrangement, elasticity, plastic deformation, stress, strain and Young’s modulus. Electrical behavior depends on available charge carriers and band structure, so conductors, insulators and semiconductors must be distinguished from mechanical properties such as strength, stiffness and brittleness.
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320 questions · page 15 of 16
- A. The black material is good in radiation.
- B. The plastic is good insulator.
- C. The plastic is a good conductor.
- D. The plastic soften gradually with excessive heat.
Explanation: Cooking pots are provided with wooden or plastic handles because they are bad conductors of heat.
Correct answer: The plastic is good insulator.282. Ferromagnetic means:
- A. It is attracted by magnet
- B. It is iron-like in nature
- C. It can be magnetized
- D. It is an alkali metal
Explanation: The explanation for this question will be added soon.
Correct answer: It can be magnetized- A. Increase in pressure
- B. Increase in temperature
- C. Decrease in temperature
- D. Decrease in pressure
Explanation: The electrical conductivity of metals decreases with an increase in temperature as with the increase in temperature, the positive metal…
Correct answer: Increase in temperature- A. Diamond
- B. Graphite
- C. Nail
- D. Iodine
Explanation: Graphite, C(s) can conduct electricity in a solid state. Graphite is a network solid and conducts electricity as it has delocalized…
Correct answer: Graphite- A. M2L-1T2
- B. ML-1T-1
- C. ML-1T-2
- D. ML-2T-2
Explanation: Young's modulus is the slope of the initial section of the curve (i.e. m in y = mx + b).
Correct answer: ML-1T-2- A. Young's modulus
- B. Bulk modulus
- C. Shear modulus
- D. Hyper modulus
Explanation: Bulk modulus is the ratio or hydrostatic stress to the volumetric strain. Within the elastic range is called bulk modulus.
Correct answer: Bulk modulus- A. Glass
- B. Copper
- C. Cast iron
- D. High carbon steel
Explanation: Ductility is the property of being drawn into wires, it is a permanent strain tension test.Copper can be drawn into very thin wires as it…
Correct answer: Copper- A. Ductile material
- B. Tough material
- C. Brittle material
- D. Deformed material
Explanation: Ductility is the ability of a material to be drawn or plastically deformed without fracture.
Correct answer: Ductile material- A. 1.5mm
- B. 2mm
- C. 0.15mm
- D. 0.6mm
Explanation: Strain is nothing but ratio of change in length to original length i.e Δl/L.
Correct answer: 0.6mm- A. Stress
- B. Strain energy
- C. Strain
- D. Young modulus
Explanation: Strain energy is the energy stored by an object undergoing deformation.
Correct answer: Strain energy- A. Germanium
- B. Silver
- C. Copper
- D. Platinum
Explanation: Resistivity (ρ), is resistance R of a specimen such as a wire, multiplied by its cross-sectional area A, and divided by its length 1ρ =…
Correct answer: Germanium- A. Atoms
- B. Molecules
- C. Electrons
- D. Ions
Explanation: A is incorrect In metals atoms are not in combined form they are in electron pool type arrangementB is incorrect In metals molecules do…
Correct answer: Electrons- A. Negative temperature coefficients
- B. Positive temperature coefficients
- C. Both A and B
- D. None of the above
Explanation: Substances with a negative temperature coefficient of resistance, such as germanium and silicon, experience a decrease in resistance as…
Correct answer: Negative temperature coefficients- A. Graphite has a layered structure
- B. In graphite, all valence electrons are tetrahedrally bound
- C. In graphite one of valence electron is free to move
- D. Graphite is soft and greasy bound
Explanation: Graphite conducts electricity whereas diamond does not because in diamond the carbon atoms are bonded to other carbon atoms and all the…
Correct answer: In graphite one of valence electron is free to move- A. X = A.B
- B. B X = A + B
- C. X = Ā.B̄
- D. X = Ā + B̄
Explanation: The Boolean expression given for a NAND gate is that of logical addition and it is opposite to the AND gate The Boolean algebra for AND…
Correct answer: X = Ā.B̄- A. Option A
- B. Option B
- C. Option C
- D. Option D
Explanation: The NAND gate, or "NotAND" gate, is the combination of two basic logic gates, the AND gate, and the NOT gate, connected in series.
Correct answer: Option B- A. 11
- B. 10
- C. 1.1
- D. 0.11
Explanation: The formula used for the gain in non inverting amplifier is given as: 1+(Feedback resistance/resistance of other resistor)…
Correct answer: 1.1- A. Because electron movement decrease with the increase of temperature
- B. Because metal ions oscillations hinder electron movement
- C. Because electron direction changes at high temperature
- D. Because they pass heat current through collision of electrons
Explanation: The correct option is B because metal ion oscillations hinder electron movement.
Correct answer: Because metal ions oscillations hinder electron movement- A. Polarity
- B. Optical activity
- C. Anisotropy
- D. Cleavage plane
Explanation: .A is incorrect since polarity is a separation of electric charge leading to a molecule or its chemical groups having an electric dipole…
Correct answer: Anisotropy- A. critical temperature
- B. absolute temperature
- C. Curie Temperature
- D. normal temperature
Explanation: Ferromagnetic MATERIALS can be permanently magnetized. Curie Temperature: The temperature at which the ferromagnetic element starts to…
Correct answer: Curie Temperature