NDA GK Questions 2026

An echo is the sound heard when a wave is reflected from a distant obstacle and comes back, so in the time measured the sound covers the distance to the cliff and then the same distance back again.

The force on a current-carrying conductor placed in a magnetic field is found with Fleming's left-hand rule.

Sound is a mechanical wave: it travels only when the particles of a medium push against their neighbours, so the closer and more tightly bound those particles are, the faster the disturbance is passed on.

Power is the work done divided by the time taken, and here the work is the potential energy the boy gains while climbing the staircase.

At sunset the Sun is close to the horizon, so its light travels through a much thicker layer of atmosphere before it reaches the eye.

The announcement notes that with the valley complete, the drive has now reached the northern, western, eastern and central regions of the country, so the next stop continues a mapped spread rather than a random choice.

Tangdhar lies in a sensitive sector along the Line of Control, and taking cataract, glaucoma and retinal surgery there meant working below ground, where 220 operations were completed over two days.

The correct answer is 364, the total across the two mega camps of the valley.

The centenary events were conducted in keeping with this theme and reaffirmed the service's values of compassion, professional excellence and service to the nation.

The correct answer is Steel and Grace, which is the memoir released at the ceremony.

The ceremony marking the culmination of a year-long commemoration of the Military Nursing Service was held there, and Raksha Rajya Mantri Sanjay Seth attended it.

The Ministry of Defence stated that AIME-2026 is being conducted in furtherance of India's Act East Policy and of the MAHASAGAR vision, and gave this expansion of the acronym.

The Ministry of Defence named these two ships as India's participants in the second ASEAN-India Maritime Exercise at Subic Bay, and described their presence as a mark of the Indian Navy's continuing commitment to maritime partnerships with ASEAN.

This is the theme under which the second ASEAN-India Maritime Exercise is being conducted, and it frames the stated aim of the drill, which is to build mutual understanding, cooperation and interoperability between the Indian Navy and ASEAN maritime forces.

The second edition of the ASEAN-India Maritime Exercise began at Subic Bay on 28 September 2026, and the opening ceremony there was graced by Harsh Kumar Jain, India's Ambassador to the Philippines, as Guest of Honour.

The boat was tracked on intelligence, intercepted and boarded on the high seas, and then escorted under armed security to Mumbai along with its crew and the seized drugs.

The consignment included heroin and methamphetamine, which is why the value per kilogram is so high.

The Coast Guard put its ships and aircraft on the suspected boat, tracked it and boarded it on the high seas, while the state unit carried the case into arrest and investigation.

In an astronomical telescope set for normal adjustment, the magnifying power equals the focal length of the objective divided by the focal length of the eyepiece.

Heating a liquid makes its molecules move faster and sit a little further apart, so the attraction between them weakens, and both properties depend on that attraction.