A negatively charged glass rod attracts a hanging object. The nature of the hanging object is?
Amay be positively charged or may be neutral
Bcertainly negatively charged
Cmay be negatively charged or may be neutral
Dcertainly positively charged
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താഴെ നല്കിയിരിക്കുന്നവയിൽ ഭൗതിക മാറ്റം ഏതാണ് ?
In accordance with Fleming’s left hand rule used to find the force on a current-carrying conductor placed inside a magnetic field, the thumb and the index finger represent the directions of …………… and …………… , respectively?
Which of the following statements are correct?
- (a). For a lens the first principal focus is the position of the object whose image is at infinity
- (b) For a lens the first principal focus is the position of the object whose image is formed at twice the focal length.
- (c) For a lens the second principal focus is the position of the real image whose object is at infinity
- (d) For a lens the second principal focus is the position of the object whose image is formed at twice the focal length
Which of the following statements is/are correct?
- (A) Resistance is independent of temperature.
- (B) The more the voltage across a conductor, the more is the resistance.
- (C) The S.I unit of resistance is ohm.
ബന്ധം കണ്ടെത്തി പൂരിപ്പിക്കുക. ശനി : ജോവിയൻ ഗ്രഹം
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