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Some natural phenomena. Science - Some natural phenomena.

Maharashtra Board - STD 8 - Science (MSBSHSE - Semi English Medium). 99 questions in this chapter.

Question types

Some natural phenomena. question types

99 questions across 7 question groups — pick any mix to generate a Science paper with step-by-step answer keys.

99
Questions
7
Question groups
5
Question types
Sample Questions

Some natural phenomena. questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1MCQ1 Mark
The waves generated by the earthquake tremors are called:
  • A
    Ultrasonic waves.
  • B
    Rhythmic waves.
  • C
    Systemic waves.
  • ✓
    Seismic waves.

Answer: D.

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Q 2MCQ1 Mark
When an object gets negatively charged by the process of friction, then:
  • A
    The object loses some electrons.
  • B
    The object loses some protons.
  • ✓
    The object gains some electrons.
  • D
    The object gains some protons.

Answer: C.

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Q 3MCQ1 Mark
When a plastic comb is rubbed with dry hair, the hair get positively charged by friction. In this porcess:
  • A
    The hair loses some positive protons.
  • ✓
    The hair gain some positive protons.
  • C
    The hair loses some negative electrons.
  • D
    The hair gain some negative electrons.

Answer: B.

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Q 4MCQ1 Mark
The magnitude of an earthquake is measured on:
  • A
    Celsius scale.
  • B
    Kelvin scale.
  • C
    Decibel scale.
  • ✓
    Richter scale.

Answer: D.

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Q 5MCQ1 Mark
The device used for detecting charge $($positive or negative$)$ on an object is called:
  • A
    Stethoscope.
  • B
    Telescope
  • C
    Kaleidoscope.
  • ✓
    Electroscope.

Answer: D.

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Q 10Fill In The Blanks.1 Mark
Fill in the following blanks with suitable words:
________ is provided in buildings to protect us from electric shocks due to any leakage of electric current.
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Q 26Question Answer (5 Marks)5 Marks
A glass rod is rubbed with a silk cloth and an inflated rubber balloon is rubbed with a woollen cloth. Now, out of glass rod, silk cloth, rubber balloon and woollen cloth:
  1. which two objects acquire negative charge?
  2. which two objects acquire positive charge?
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Q 29true or false1 Mark
State whether the following statements are true or false:
An earthquake is measured and recorded by using an instrument called electrocardiograph.
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Q 32true or false1 Mark
State whether the following statements are true or false:
An earthquake of magnitude 2 on Richter Scale is ten times as strong as an earthquake of magnitude 1 on the same Scale.
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