physics objective questions for 12th bihar board pdf

Physics objective questions for 12th pdf 2023 : बिहार बोर्ड इंटरमीडिएट परीक्षा 2023 के लिए भौतिक विज्ञान का…

1. Who undertook the first space walk and in which year ?(A) Leonov, 1965 (B) Neil Armstrong, 1969 (C)…

1. Bonds in a semiconductor :(A) trivalent (B) covalent (C) bivalent (D) monovalentAnswer ⇒ B…

1. How many electrons are contained in 23892U nucleus ?(A) 92 (B) 146 (C) 238 (D) OAnswer ⇒ D…

1. De-Broglie equation states the :(A) dual nature (B) particle nature (C) wave nature (D) none of these…

1. Poisson's bright spot was discovered by:(A) Fresnel (B) Rayleigh (C) Poisson (D)…

1. Which of the following is not a property of light ?(A) It can travel through vacuum (B) It has a finite…

1. The dimensional formula of E is :(A) (B) (C) (D) None of theseAnswer ⇒ B2.…

1. Power factor of an ac circuit is a measure of:(A) virtual power (B) power lost in the circuit (C) mean…

1. Which of the following is not equal to a henry ?Answer ⇒ C2. 1 henry is equal to :…