Which of the following is used as an antitranspirant
Which of the following is used as an antitranspirant? Options (a) Cobalt chloride (b) Napthol acetic acid (c) Calcium carbonate…
4 years ago
KA2006
In the conversion of Br₂ to BrO₃⁻, the oxidation number of Br changes from
In the conversion of Br₂ to BrO₃⁻, the oxidation number of Br changes from Options (a) zero to 5 (b)…
6 years ago
The unit of natural selection is
The unit of natural selection is Options (a) an individual (b) a species (c) a genus (d) a population Correct…
6 years ago
Which of the following regions of our country are known for their rich biodiversity?
Which of the following regions of our country are known for their rich biodiversity? Options (a) Western Ghats and Eastern…
6 years ago
World biodiversity day is celebrated annually?
World biodiversity day is celebrated annually? Options (a) 5th June (b) 29th December (c) 22nd April (d) 16th September Correct…
6 years ago
The loudness and pitch of a sound note depends on
The loudness and pitch of a sound note depends on Options (a) Intensity and frequency (b) Frequency and number of…
6 years ago
A tuning fork A produces 4 beats per second with another tuning fork B of frequency
A tuning fork A produces 4 beats per second with another tuning fork B of frequency 320 Hz. On filing…
6 years ago
A beam of light of wavelength 600 nm from a distant source falls
A beam of light of wavelength 600 nm from a distant source falls on a single slit 1 mm wide…
6 years ago
The width of the diffraction band varies
The width of the diffraction band varies Options (a) Inversely as the wavelength (b) Directly as the width of the…
6 years ago
The specific charge of a proton is 9.6×10⁷ C/kg. The specific charge of an alpha particle
The specific charge of a proton is 9.6x10⁷ C/kg. The specific charge of an alpha particle will be Options (a)…
6 years ago