Question
Write one use of each of the x-ray and ϒ-ray. Mention one harmful effect of γ-ray.
Write one use of each of the x-ray and ϒ-ray. Mention one harmful effect of γ-ray.
Resource archive
Class: Class 10
Browse learning resources, explanations and study material.
Latest resources
Open any card to continue learning.
Question
In the case of refraction if the angle of incidence is 45° and the refracted ray makes an angle of 60° with the normal, what will be the value of the angle of deviation?
In the case of refraction if the angle of incidence is 45° and the refracted ray makes an angle of 60° with…
Question
Define the coefficient of volume expansion of a solid and write its mathematical form.
Define the coefficient of volume expansion of a solid and write its mathematical form. [1 + 2] OR Give one example of…
Question
On burning sulfur in oxygen, sulfur dioxide is produced S + O2 → SO2 For producing 2240 L of SO2 at STP
On burning sulfur in oxygen, sulfur dioxide is produced S + O2 → SO2 For producing 2240 L of SO2 at STP…
Question
What is an ideal gas? What is the effect of the increase in temperature on the pressure of a gas kept in a closed container? Answer with reason.
What is an ideal gas? What is the effect of the increase in temperature on the pressure of a gas kept in…
Question
How is polyethene produced by the polymerisation reaction of ethylene?
How is polyethene produced by the polymerisation reaction of ethylene? OR How can the following conversion be carried out? HC = CH…
Question
In the extraction of metal by the process of electrolysis at which electrode does the following reaction occur ?
In the extraction of metal by the process of electrolysis at which electrode does the following reaction occur ? M+ + e−…
Question
Write, with the balanced chemical equation, what happens when H2S gas is passed through an aqueous solution of Pb(NO3)2.
Write, with the balanced chemical equation, what happens when H2S gas is passed through an aqueous solution of Pb(NO3)2.
Question
Show by the help of a property of sodium chloride that sodium chloride is composed of ions
Show by the help of a property of sodium chloride that sodium chloride is composed of ions. OR Show how ionic bond…
Question
Show by drawing a Lewis dot diagram of CH4 that CH4 is formed by covalent bonds. (Atomic numbers of H and C are 1 and 6 respectively)
Show by drawing a Lewis dot diagram of CH4 that CH4 is formed by covalent bonds. (Atomic numbers of H and C…