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    Physics

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    aliakbarbhatti2006

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    Physics

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    aliakbarbhatti2006
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    physics

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    2 views4 pages

    Physics

    Uploaded by

    aliakbarbhatti2006

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    of 4

    X PHYSICS

    IMPORTANT QUESTION
    SESSION 2023 – 2024
    THEORY:
    Q.1: Define Wave length. Frequency, Time Period derive the deri vation wave length V=fλ
    Q.2: Write down different between of following?
    1. Longitudinal Waves and Transversal Waves
    2. Musical Sound and Noise
    3. Mechanical Waves and Electromagnetic Waves
    4. Fission and Fusion Reaction
    5. Analogue and Digital Electronics
    6. A.C and D.C

    Q.3: Define Simple Harmonic Motion and write its character?


    Q.4: Write down uses any one of following?
    1. Radar
    2. Spherical Mirror
    3. Ultrasound
    4. Circuit Components

    Q.5: State the followings Laws:


    1. Law of Reflection of Light
    2. Law of refraction of Light
    3. Ohms Law = limitation
    4. Coulombs Law with Derivation
    5. Lenz’s Law
    6. Joules Law

    Q.6: Define followings term?


    1. Damp oscillation
    2. Focal Length
    3. Rainbow
    4. Dispersion of light
    5. Power of lens
    6. Refractive Index
    7. Optical Fiber
    8. Chain Reaction
    9. Half Life of Elements
    10. Volt
    11. Electromotive Force

    Q.7: Describe the total Internal Refraction of light with the help of diagram also writes down its conditions?
    Q.8: Explain the defect of Human eye and how its correction with the help of diagram?
    Q.9: Explain the electric Bell Jar with the help of diagram?
    Q.10: Explain the construction and working of Compound Microscopes with the help of ray diagram?
    Q.11: Derive the Mirror equation 1/f = 1/p + 1/q with the help of diagram?
    Q.12: Explain the Water wave (Ripple Tank) with the help of diagram?
    Q.13: Compare Regular and Irregular Reflection of light also write down its importance of irregular of
    reflection?
    Q.14: Explain the Geiger and Marsden Scattering σ Experiment?
    Q.15: Write down use of Radio Isotopes in Medicine, Industry and Agriculture?
    Q.16: Write down Precaution against Radiation Hazard.
    Q.17: Explain the construction and working Electroscope with the help of Diagram.
    Q.18: Define Capacitors and write down its uses Derive the formula Parallel combination and Series
    Combination with its merit and demerit?
    Q.19: Define Ammeter, Voltmeter, Galvanometer Conversion Ammeter to Galvanometer and conversion
    Voltmeter to galvanometer?
    Q.20: Explain the construction and working D.C motor?
    Q.21: Write down application of Transformer?
    Q.22: Describe the magnetic field produced by current carrying conductor.

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    Q.23. Write down character of following:
    1. Alpha
    2. Gamma
    3. Beta
    4. C.R.T

    Q.24: Write down working C.R.O with the help of Diagram also uses
    Q.25: Describe the method of charge Formation?

    SCIENTIFIC REASONS:
    1: It is dangerous to jump from fast moving vehicle
    2: Why are gap left between two adjacent rails
    3: Why do water bottles burst in deep freezes?
    4: Why it is difficult to stop a loaded trucks / when an unloaded truck

    NUMERICAL:
    Q.1: Find the period and frequency of a simple pendulum 1.0 m long at a location where g = 9.8 m/s2.
    Q.2: Calculate the speed of sound in air at 30 °C? Give that speed of sound at 0°C is 331 m/s.
    Q.3: Ruby laser emits the beam of red light having a wavelength of 694.3 nm. Calculate its frequency.
    Q.4: The refractive index of the diamond is 2.42. What is the speed of light in a diamond.
    Q.5: A concave lens of focal length 20 cm form an image 15cm from the lens. Determine the power of lens.
    Also, how far is the object positioned from the lens?
    Q.6: The waves moving in the pond have a wavelength of 1.6 m, and a frequency of 0.80 Hz. Calculate the
    speed of these water waves.
    Q.7: Calculate the electric field intensity if 9 µN force acting on 3 µc charge
    Q.8: Find the net capacitance of four capacitors. When capacitance of each capacitor is 1 uF and connected
    parallel.
    Q.9: 100 J of heat is produced each second in a 4 resistance. Find the potential difference across the resistor.
    Q.10: Calculate the amount of current that an electric heater uses to heat a room in 5 minutes if the charge
    is 2100 C.
    Q.11: A 220 V circuit is used to power two 120 watt and 80 watt light bulbs. Which bulb has the greater
    resistance and which one has the higher current?
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    Q.12: If there are 96 grams of radioactive elements Neptunium -240 present, how much Np-240 will remain
    after 6 hours? (Neptunium-240 has a half –life of 1 hour).
    Q.13: A sample of Ac-225 originally contained 8 x 10 24 nuclei after 960 hour. How much of the original
    sample remains un-decayed. The half-life of the isotopes is ten days.
    Q.14: A transformer is needed to convert a mains 220 v supply into a 12 V supply. If there are 2200 turns on
    the primary coil, then find the number of turns on the secondary coil.

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