A narrow beam or line of light, heat, or radiation.

A member of the class of cartilaginous fish that includes the stingray and manta ray.

कंकाली मछली की एक प्रकार

English Usage: The manta ray glided gracefully through the water.

Hindi Usage: मंतामछली पानी में सुगमता से तैर रही थी।

The speed of something in a given direction.

In physics, it refers to the rate of change of position with respect to time.

भौतिकी में, यह समय के सापेक्ष स्थिति में बदलाव की दर को संदर्भित करता है।

English Usage: The scientist calculated the velocity of the particle in the experiment.

Hindi Usage: वैज्ञानिक ने प्रयोग में कण की गति की गणना की।