List of practice Questions

A vertical electric field of magnitude 4.9×105 NC-1 just prevents a water droplet of mass 0.1 g from falling. What is the charge on the droplet? Take acceleration due to gravity 9.8 ms-2.
Which of the following statements are correct?
(A) The resistivity of a semiconductor decreases with increasing temperature.
(B) The potentiometer is unaffected by the internal resistance of the source.
(C) In ionic crystals and electrolytic liquids electrons carry the electric current.
(D) Ohm's law fails if V depends on I non-linearly.
(E) Kirchhoff's rules are used for analysis of electric circuits.
Choose the correct answer from the options given below:
A parallel beam of monochromatic light of wavelength 460 nm passes through a long slit of width 0.1 mm. What is the angular divergence in which most of the light is diffracted?
What is the wavelength of light for the least energetic photon emitted in the Lyman series of the hydrogen atom spectrum lines?
(Take h=6.63×10-34Js; c=3×108 ms-1; e=1.6×10-19C)
One light year is equals to______.
The change of gaseous state directly to solid state without going through liquid state is called_____
Who among the following in Ancient India made some prominent discoveries in Physics?
Match LIST I with LIST II

LIST I
Device

LIST II 
Purpose
AMicrophoneIUsed in vehicles to measure distance
BAudiometerIIFor measuring the force and velocity of
wind
C OdometerIIIConverts sound waves to electrical vibrations
DAnemometer IVMeasures intensity of sound
Choose the most appropriate answer from the options given below:
C.V. Raman got Nobel Prize in 1930 for his discovery of:
A man is walking at a speed of 6 km/h. After every km he takes rest for 6 minutes. How much time will he take to cover a distance of 24 km.
In an office 60% of the staffs are male. In an election in the office, 40% of the females and 60% of the males voted for Anju. The percentage of votes Anju got was
Who said "Poetry is what gets lost in translation?"
Which is a leap year?
What is associated with Sindhutai Sapkal?
Who was the 13th President of India?
The first G20 Summit was held in-
Who got India's first Nobel Prize?
Which company launched the INDICA car?
G20 Parishad
Which is the second tallest mountain?
Who is not a member of G20?
What is the Commonwealth 2026 venue?
What is the vitamin from sunshine?
Ram has two children, one is Karan and one is Surat, one is Mugla. What is Karan and Ram's relationship?
2, 5, 10, 17, 26, 37, 50, 64, whose middle digit is odd in this number series?