Question 5 Which one of the following solutions will not conduct electricity? (a) Lemon juice (b) Vinegar (c) Tap water (d) Vegetable oil
Question 1
An iron nail is kept in each of the following liquids. In which case would it lose its shine and appear dull ?
(a) Mustard oil
(b) Soft drink
(c) Coconut oil
(d) Kerosene
Question 15 You are given water, mustard oil, glycerine and kerosene. In which of these media a ray of light incident obliquely at same angle would bend the most? (a) Kerosene (b) Water (c) Mustard oil (d) Glycerine