Questions

We know that, in solids all the particles are packed together and hence sound can travel from one to one very fast.

Hence, speed of sound is maximum in solids and decreses from solids to liquids and liquids to gases. Sound can't travel through vaccum.

In pursuance of India’s Act East policy, Indian Naval Ship Sahyadri is on an overseas deployment to the South East Asia and Southern Indian Ocean. The ship would be on a port visit to Moresby from June 12 to 15. The visit of the Indian Naval Ships seeks to underscore India’s peaceful presence and solidarity with friendly and harmonious countries towards ensuring good order in the maritime domain and to strengthen existing bonds between Papua New Guinea and India.

After a span of 20 years, a Hindu politician, Darshan Lal, is set to take the role of a cabinet minister in Pakistan.  The new Prime Minister Shahaid Khaqan Abbasi formulated his cabinet and has appointed 65-year old Lal to lead coordination between four Pakistan provinces.

Lal reportedly used to practice as a doctor in Mirpur Mathelo town in Ghotki district of Sindh province.

Sir Sandford Fleming, (January 7, 1827 – July 22, 1915) was a Scottish Canadian engineer and inventor. Born and raised in Scotland, he emigrated to colonial Canada at the age of 18. He proposed worldwide standard time zones, designed Canada's first postage stamp.

Longest day is observed on June 21